Hermit crabs
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notes about marine animals for those who have little information about them. knowing more about things will help you attach to non-human world more which enhance the conservation biology in general. and you can kindly check the reference to see more.
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Fish Tagging methods
Fish tagging methods allow biologists to gather information about fish populations. There are biological, chemical, and physical tagging methods. Biological methods use natural marks like parasites or morphology. Chemical methods involve immersing, injecting, or feeding fish dye to mark them. Physical methods include internal tags like coded wire tags or PIT tags, and external tags like strap tags, dart tags, and anchor tags. Tagging provides data on movement patterns, population estimates, growth, and mortality to further understanding of fisheries.
Hermit crabs
Hermit crabs do not have their own shells and live in empty snail shells for protection. They hatch from eggs laid in the ocean and live there until they resemble adults. Hermit crabs have soft abdomens so they seek shelter in shells to avoid predators. They use one claw to seal themselves in the shell and the other to eat. Hermit crabs are crustaceans that molt their exoskeletons to grow, and they live in groups both in the ocean and on land.
Clupeiformies
deals with the classification and characters of fishes belongs to order clupeiformes along with all family and generic characters
TRADITIONAL FISHERIES
Traditional fishing techniques involved a variety of gear types based on the environment and target species. These included simple hand-held tools, as well as nets, lines, traps, and gear that stun or entangle fish. Over time, materials like synthetic fibers replaced natural ones, improving fishing gear effectiveness and efficiency. Modern industrial fishing employs many of these traditional gear types but on a larger scale to meet increased demand.
Cephalopods
1. The document discusses the biodiversity and evolution of protists and animals, specifically focusing on cephalopods. It describes the key characteristics of cephalopods including their shells, bodies, senses, color changing abilities, and locomotion.
2. The reproduction processes of cephalopods are explained, involving internal fertilization and elaborate mating behaviors and color changes in some species.
3. Adaptive diversification of cephalopods is discussed, with the evolution of traits like chambered shells, advanced organ systems, and habitat/feeding adaptations leading to their diversity of forms.
Benthos - types and their role in ecosystem
Benthos, the benthic organism which is play a big role in ecosystem. There has a brief description on the type of this organisms and roles.
Economic important fishes
This document contains information on several fish, crustacean, and mollusk species. It describes the taxonomy, physical characteristics, habitat/ecology, and economic importance of species including the rohu fish, catla fish, mrigal carp, pomfret fish, giant river prawn, crabs, and pearl oyster. The rohu, catla, and mrigal are important aquaculture species in South Asia and are commonly farmed together. The document also provides details on the taxonomy, morphology, and life cycle of these organisms.
Coral reefs
Coral reefs are formed by colonies of tiny coral polyps that extract calcium carbonate from seawater to build protective skeletons. Over millions of years, the accumulation of these coral skeletons form underwater structures called coral reefs. Coral reefs require specific environmental conditions such as warm water temperatures between 23-25 degrees Celsius, low sediment levels, and shallow depths allowing sunlight penetration for the algae living symbiotically with the corals. The three major types of coral reef structures are fringing reefs near shorelines, barrier reefs separated from shorelines by lagoons, and atolls which are ring-shaped reefs surrounding central lagoons.
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Fish Tagging methods
Fish tagging methods allow biologists to gather information about fish populations. There are biological, chemical, and physical tagging methods. Biological methods use natural marks like parasites or morphology. Chemical methods involve immersing, injecting, or feeding fish dye to mark them. Physical methods include internal tags like coded wire tags or PIT tags, and external tags like strap tags, dart tags, and anchor tags. Tagging provides data on movement patterns, population estimates, growth, and mortality to further understanding of fisheries.
Hermit crabs
Hermit crabs do not have their own shells and live in empty snail shells for protection. They hatch from eggs laid in the ocean and live there until they resemble adults. Hermit crabs have soft abdomens so they seek shelter in shells to avoid predators. They use one claw to seal themselves in the shell and the other to eat. Hermit crabs are crustaceans that molt their exoskeletons to grow, and they live in groups both in the ocean and on land.
Clupeiformies
deals with the classification and characters of fishes belongs to order clupeiformes along with all family and generic characters
TRADITIONAL FISHERIES
Traditional fishing techniques involved a variety of gear types based on the environment and target species. These included simple hand-held tools, as well as nets, lines, traps, and gear that stun or entangle fish. Over time, materials like synthetic fibers replaced natural ones, improving fishing gear effectiveness and efficiency. Modern industrial fishing employs many of these traditional gear types but on a larger scale to meet increased demand.
Cephalopods
1. The document discusses the biodiversity and evolution of protists and animals, specifically focusing on cephalopods. It describes the key characteristics of cephalopods including their shells, bodies, senses, color changing abilities, and locomotion.
2. The reproduction processes of cephalopods are explained, involving internal fertilization and elaborate mating behaviors and color changes in some species.
3. Adaptive diversification of cephalopods is discussed, with the evolution of traits like chambered shells, advanced organ systems, and habitat/feeding adaptations leading to their diversity of forms.
Benthos - types and their role in ecosystem
Benthos, the benthic organism which is play a big role in ecosystem. There has a brief description on the type of this organisms and roles.
Economic important fishes
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Coral reefs are formed by colonies of tiny coral polyps that extract calcium carbonate from seawater to build protective skeletons. Over millions of years, the accumulation of these coral skeletons form underwater structures called coral reefs. Coral reefs require specific environmental conditions such as warm water temperatures between 23-25 degrees Celsius, low sediment levels, and shallow depths allowing sunlight penetration for the algae living symbiotically with the corals. The three major types of coral reef structures are fringing reefs near shorelines, barrier reefs separated from shorelines by lagoons, and atolls which are ring-shaped reefs surrounding central lagoons.
FISHING CRAFT AND GEARS
This document provides an overview of various fishing gears and methods. It begins with an outline of the course topics, which include the study and classification of fishing gears and crafts. It then describes different gear types such as beam trawling, demersal otter trawling, dredging, drift nets, fish attraction devices, gill/fixed nets, handlines, jigging, longlining, pelagic trawling, pole and line fishing, and pots. For each gear type, it explains how it is used to target particular species. The document provides a comprehensive reference for different fishing techniques around the world.
Pomfrets
The pomfrets constitute about 2.32% of the total marine fish production in India. The bulk of the catch comes from Maharashtra and Gujarat States, which jointly contribute to about 61% of the total all India pomfret landings.
Among the demersal fishes, pomfrets belonging to the family Stromateidae are found in the catches all long the coast of India, particularly in Maharashtra and Gujarat States.
Introduction to Catla catla
1) Catla catla, commonly known as catla, is a freshwater fish found predominantly in Asia, including India, Bangladesh, and Nepal. It is a fast-growing, planktivorous carp that feeds on zooplankton and algae.
2) Catla has prominent lips and thick lower jaws without barbels. It grows rapidly, reaching lengths of over 1 meter. It breeds during the monsoon season.
3) Catla is farmed using nursery, rearing, and stocking ponds with lime, organic and inorganic fertilizers added to enhance food production. It is supplemented with feeds including rice bran, fishmeal, and aquatic insects.
Fishing gear
Fishing Gear
Fishing gear is a device that is used to catch fish.
Different types of nets, traps, hooks, lines and spears are used as fishing gear.
Biology of coral,beauty of sea.
Coral are marine invertebrates that live in colonies made of many individual polyps. Each polyp has a mouth and ring of tentacles surrounded by calcium carbonate exoskeleton. Most reef-building corals have a symbiotic relationship with algae called zooxanthellae that live inside their cells and provide nutrients through photosynthesis. Corals can reproduce both sexually through broadcast spawning or brooding, and asexually through budding or dividing to form new polyps. The calcium carbonate skeletons of corals are the basis for coral reefs, which are diverse ecosystems home to thousands of species.
Economic importance of coral reefs
This presentation deals with various economic benefits associated with reefs and associated ecosystems.
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Carps form the mainstay of aquaculture in India contributing over 85% of the total aquaculture production There are 61,259 species of vertebrates recognized world; over 30,700 are fish species of which 8,411 ore fresh water while 11,650 are marine. In India 2,163 spp. are fin fishes have been recorded from upland cold water (157; 7.26%) warm water of the plain (54; 20.99%), Brackish water (182; 8.41%) and marine environment (1,370; 63.43%). Some of these species are cultured at commercial level which covering a lot varieties of fin fishes The three Indian major carps, namely Catla (Catla catla), Rohu (Labeo rohita) and Mrigal (Cirrhinus mrigal) contribute the bulk of production to the extent of 75 to85 percent of the total fresh water fish production, the three exotic carp such as Silver carp (Hypophthalmichthys molitrix) and Common carp (Cyprinus carpio ), Grass carp (Ctenopharyngodon idella )form the second important group to incorporate several other medium and minor carp and into the carp poly culture system several method were used because of their region specific consumer preference and higher market demand.
History
Carp culture in India was restricted only to a homestead backyard pond activity in west Bengal and Odisha until late 1950 s with seed from riverine sources as the only input resulting low level of production the technological breakthrough breeding of carp through hypophysation in 1957 freshwater aquaculture of the country the country till 1984 virtually laid the foundation of scientific carp farming in the country.
Important characteristics of Indian major carps:-
Indian major carp grow fast and can reproduce even in artificial ponds. They feed upon phytoplankton, zooplankton, decaying organic matter, aquatic plant etc. stomach is absent in the alimentary canal of the major carps. Three types of Indian major carps are cultured in
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Fisheries around the world are becoming over-exploited due to increased demand for fish and advances in fishing technology. Half of marine fisheries are now fully exploited or over-exploited, threatening this important food source. Solutions include designating protected fishing areas to allow fish populations to recover, and expanding sustainable aquaculture. However, overfishing remains a major threat, and without further regulation of fishing industries fisheries could collapse by 2048.
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This document discusses the natural food and feeding habits of fishes. It covers different types of plankton, benthos, and detritus that serve as food sources for fishes based on their ecological niche. Various feeding classifications are described, including feeding types, trophic niches, and quantitative analyses of gut content. Structural modifications in fishes related to their different feeding habits are also mentioned.
Reservoir
Reservoirs in India hold potential for inland fisheries development but currently contribute less than expected to fish production. There are over 19,000 reservoirs in India covering 3.15 million hectares. The average fish yield from reservoirs is around 20 kg/ha but could be increased to 250 kg/ha through management. Key factors influencing reservoir productivity include morphometric characteristics, climate, soil properties, and chemical stratification. Management approaches for reservoirs focus on stock enhancement, species enhancement, and environmental enhancement through stocking of suitable fish species and regulating fishing efforts.
Coral ecology ppt
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Fishing methods
Fishing provides important economic and nutritional benefits. There are many fishing methods that depend on the type of fish and environment. Methods include fishing by hand in streams, as well as using various gear like hooks, nets, traps, and electric currents from boats. Key gear includes long lines, gill nets, purse seines, and trawls, with mesh and net size tailored to the target species. Fishing supports many communities and employs a large portion of the population.
Magur fish(Clarias batrachus)
A short description about magur fish.The walking catfish (Clarias batrachus) is a species of freshwater airbreathing catfish native to Southeast Asia, but also introduced outside its native range where it is considered an invasive species. It is named for its ability to "walk" across dry land, to find food or suitable environments. While it does not truly walk as most bipeds or quadrupeds do, it has the ability to use its pectoral fins to keep it upright as it makes a wiggling motion with snakelike movements.[2] This fish normally lives in slow-moving and often stagnant waters in ponds, swamps, streams and rivers, flooded rice paddies or temporary pools which may dry up
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Fisheries Co-management
This document discusses fisheries co-management, which involves sharing management power and responsibilities between government and local fishing communities. Co-management aims to provide a forum for participation in rule-making, decision-making, and knowledge sharing between resource users and government. It can vary in the level of control communities have and depends on legal frameworks and community organization. The document outlines definitions of co-management, categories of co-management approaches, advantages like more sustainable resource use and social empowerment, limitations, and factors that affect successful co-management.
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Phytoplankton,zoooplankton,benthos,fish relationship
The plankton is divisible into two main groups, the phytoplankton and the zooplankton. The primary productivity which we discussed in chapter 10 is primarily the functional aspect of phytoplankton - the other chlorophyll bearing organisms are also to be included, but in most water bodies such as the culture pond an index of primary productivity could be obtained by the mass or number of phytoplankton in a unit volume of water
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Corals are colonial marine organisms that secrete calcium carbonate and form coral reefs. While corals have no food use for humans, coral reefs serve as important habitat for fish. Some corals attach themselves to rocks and form hard skeletal structures, while others like stony corals are largely composed of limestone. Common corals found in the Philippines include brain coral, mushroom coral, and star corals. Corals are used for decoration, reef and island formation, personal adornment, jewelry, and medicine. Sea anemones belong to the anthozoan class and are used decoratively, while jellyfish are scyphozoans that can be dried, flavored and eaten in some parts of the
TYPE OF FISHING
This document discusses different types of fishing methods. It begins by defining fishing and fishing equipment. There are two main types of fishing: without gear (hand fishing) and with gear (gear fishing). Fishing methods that use gear include nets, traps, line fishing, fish attraction devices, and electrical fishing. The most common fishing method is net fishing, which accounts for 67% of fishing in India and 54% worldwide. Other major fishing methods include fish screening, fish trapping, and line fishing. The document provides details on specific net fishing techniques like gill nets, purse seines, and trawls. It also describes traps, line fishing, and the use of fish attraction devices.
Flat fishes and their fisheries
Flatfishes are the common name of the order Pleuronectiformes. The characteristic features of flatfishes are their asymmetry, mainly their eyes, both eyes on the same side of the head in juveniles and adults.
this presentation deals with the Flat fishes and their fisheries in India.
Study of Molluscs
The document describes several different mollusks and cnidarians. It provides details on the physical characteristics, habitats, and taxonomic classifications of various gastropods like Conus and Cypraea, bivalves like Perna and Meritrix, and cnidarians like Fungia, Favia, Gorgonia, Tubipora, Metridium, and Pennatula. The document also includes general information on the phylum Mollusca and its classes, as well as the characteristic features and classes of the phylum Cnidaria.
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FISHING CRAFT AND GEARS
This document provides an overview of various fishing gears and methods. It begins with an outline of the course topics, which include the study and classification of fishing gears and crafts. It then describes different gear types such as beam trawling, demersal otter trawling, dredging, drift nets, fish attraction devices, gill/fixed nets, handlines, jigging, longlining, pelagic trawling, pole and line fishing, and pots. For each gear type, it explains how it is used to target particular species. The document provides a comprehensive reference for different fishing techniques around the world.
Pomfrets
The pomfrets constitute about 2.32% of the total marine fish production in India. The bulk of the catch comes from Maharashtra and Gujarat States, which jointly contribute to about 61% of the total all India pomfret landings.
Among the demersal fishes, pomfrets belonging to the family Stromateidae are found in the catches all long the coast of India, particularly in Maharashtra and Gujarat States.
Introduction to Catla catla
1) Catla catla, commonly known as catla, is a freshwater fish found predominantly in Asia, including India, Bangladesh, and Nepal. It is a fast-growing, planktivorous carp that feeds on zooplankton and algae.
2) Catla has prominent lips and thick lower jaws without barbels. It grows rapidly, reaching lengths of over 1 meter. It breeds during the monsoon season.
3) Catla is farmed using nursery, rearing, and stocking ponds with lime, organic and inorganic fertilizers added to enhance food production. It is supplemented with feeds including rice bran, fishmeal, and aquatic insects.
Fishing gear
Fishing Gear
Fishing gear is a device that is used to catch fish.
Different types of nets, traps, hooks, lines and spears are used as fishing gear.
Biology of coral,beauty of sea.
Coral are marine invertebrates that live in colonies made of many individual polyps. Each polyp has a mouth and ring of tentacles surrounded by calcium carbonate exoskeleton. Most reef-building corals have a symbiotic relationship with algae called zooxanthellae that live inside their cells and provide nutrients through photosynthesis. Corals can reproduce both sexually through broadcast spawning or brooding, and asexually through budding or dividing to form new polyps. The calcium carbonate skeletons of corals are the basis for coral reefs, which are diverse ecosystems home to thousands of species.
Economic importance of coral reefs
This presentation deals with various economic benefits associated with reefs and associated ecosystems.
BREEDING AND CULTURE OF CARPS FISHES
Carps form the mainstay of aquaculture in India contributing over 85% of the total aquaculture production There are 61,259 species of vertebrates recognized world; over 30,700 are fish species of which 8,411 ore fresh water while 11,650 are marine. In India 2,163 spp. are fin fishes have been recorded from upland cold water (157; 7.26%) warm water of the plain (54; 20.99%), Brackish water (182; 8.41%) and marine environment (1,370; 63.43%). Some of these species are cultured at commercial level which covering a lot varieties of fin fishes The three Indian major carps, namely Catla (Catla catla), Rohu (Labeo rohita) and Mrigal (Cirrhinus mrigal) contribute the bulk of production to the extent of 75 to85 percent of the total fresh water fish production, the three exotic carp such as Silver carp (Hypophthalmichthys molitrix) and Common carp (Cyprinus carpio ), Grass carp (Ctenopharyngodon idella )form the second important group to incorporate several other medium and minor carp and into the carp poly culture system several method were used because of their region specific consumer preference and higher market demand.
History
Carp culture in India was restricted only to a homestead backyard pond activity in west Bengal and Odisha until late 1950 s with seed from riverine sources as the only input resulting low level of production the technological breakthrough breeding of carp through hypophysation in 1957 freshwater aquaculture of the country the country till 1984 virtually laid the foundation of scientific carp farming in the country.
Important characteristics of Indian major carps:-
Indian major carp grow fast and can reproduce even in artificial ponds. They feed upon phytoplankton, zooplankton, decaying organic matter, aquatic plant etc. stomach is absent in the alimentary canal of the major carps. Three types of Indian major carps are cultured in
Fisheries depletion
Fisheries around the world are becoming over-exploited due to increased demand for fish and advances in fishing technology. Half of marine fisheries are now fully exploited or over-exploited, threatening this important food source. Solutions include designating protected fishing areas to allow fish populations to recover, and expanding sustainable aquaculture. However, overfishing remains a major threat, and without further regulation of fishing industries fisheries could collapse by 2048.
Food and feeding in fishes
This document discusses the natural food and feeding habits of fishes. It covers different types of plankton, benthos, and detritus that serve as food sources for fishes based on their ecological niche. Various feeding classifications are described, including feeding types, trophic niches, and quantitative analyses of gut content. Structural modifications in fishes related to their different feeding habits are also mentioned.
Reservoir
Reservoirs in India hold potential for inland fisheries development but currently contribute less than expected to fish production. There are over 19,000 reservoirs in India covering 3.15 million hectares. The average fish yield from reservoirs is around 20 kg/ha but could be increased to 250 kg/ha through management. Key factors influencing reservoir productivity include morphometric characteristics, climate, soil properties, and chemical stratification. Management approaches for reservoirs focus on stock enhancement, species enhancement, and environmental enhancement through stocking of suitable fish species and regulating fishing efforts.
Coral ecology ppt
Coral reefs are complex ecosystems formed by coral polyps and algae. They have high biodiversity despite occupying a small area of the ocean. Coral reefs rely on a balanced trophic structure with primary producers like zooxanthellae and algae, herbivores, and top consumers. Imbalances can disrupt the ecosystem. Coral reefs face many threats including climate change, pollution, overfishing, and physical damage. Proper management is needed to protect these valuable and vulnerable ecosystems.
Fishing methods
Fishing provides important economic and nutritional benefits. There are many fishing methods that depend on the type of fish and environment. Methods include fishing by hand in streams, as well as using various gear like hooks, nets, traps, and electric currents from boats. Key gear includes long lines, gill nets, purse seines, and trawls, with mesh and net size tailored to the target species. Fishing supports many communities and employs a large portion of the population.
Magur fish(Clarias batrachus)
A short description about magur fish.The walking catfish (Clarias batrachus) is a species of freshwater airbreathing catfish native to Southeast Asia, but also introduced outside its native range where it is considered an invasive species. It is named for its ability to "walk" across dry land, to find food or suitable environments. While it does not truly walk as most bipeds or quadrupeds do, it has the ability to use its pectoral fins to keep it upright as it makes a wiggling motion with snakelike movements.[2] This fish normally lives in slow-moving and often stagnant waters in ponds, swamps, streams and rivers, flooded rice paddies or temporary pools which may dry up
Plankton and fisheries
Plankton are small organisms that drift or float in water bodies. They fall into two categories: phytoplankton, which are plant-like organisms, and zooplankton, which are animal-like. Plankton play an important role in the global carbon cycle and food web as they are both a primary producer through photosynthesis and a food source. Many fish rely on plankton as their sole or primary food source, and plankton blooms influence fisheries. The abundance of plankton can also indicate fish populations, as nutrient-rich areas attract both plankton and fish. Plankton and fish have a complex, interdependent relationship through food chains, gas exchange, and some plankton acting
Fisheries Co-management
This document discusses fisheries co-management, which involves sharing management power and responsibilities between government and local fishing communities. Co-management aims to provide a forum for participation in rule-making, decision-making, and knowledge sharing between resource users and government. It can vary in the level of control communities have and depends on legal frameworks and community organization. The document outlines definitions of co-management, categories of co-management approaches, advantages like more sustainable resource use and social empowerment, limitations, and factors that affect successful co-management.
Outline of classification of protochordates
Protochordate is an informal category of animals. This group is composed of the Phylum Hemichordata and the Subphyla Urochordata and Cephalochordata.
INTRODUCTION OF PLANKTON
Plankton are microscopic organisms that drift or float in aquatic environments. They are categorized into phytoplankton and zooplankton. Phytoplankton are plant-like organisms that can photosynthesize, while zooplankton are animal plankton that consume other organisms. Plankton play important roles in aquatic ecosystems as indicators of water quality, primary producers that form the base of the food web, producers of oxygen through photosynthesis, and major participants in the global carbon cycle. They are studied and classified by size, nutritional requirements, length of planktonic life, and habitat. Understanding plankton communities provides insights into ecosystem health and functions.
Phytoplankton,zoooplankton,benthos,fish relationship
The plankton is divisible into two main groups, the phytoplankton and the zooplankton. The primary productivity which we discussed in chapter 10 is primarily the functional aspect of phytoplankton - the other chlorophyll bearing organisms are also to be included, but in most water bodies such as the culture pond an index of primary productivity could be obtained by the mass or number of phytoplankton in a unit volume of water
Corals and coral reefs
Corals are colonial marine organisms that secrete calcium carbonate and form coral reefs. While corals have no food use for humans, coral reefs serve as important habitat for fish. Some corals attach themselves to rocks and form hard skeletal structures, while others like stony corals are largely composed of limestone. Common corals found in the Philippines include brain coral, mushroom coral, and star corals. Corals are used for decoration, reef and island formation, personal adornment, jewelry, and medicine. Sea anemones belong to the anthozoan class and are used decoratively, while jellyfish are scyphozoans that can be dried, flavored and eaten in some parts of the
TYPE OF FISHING
This document discusses different types of fishing methods. It begins by defining fishing and fishing equipment. There are two main types of fishing: without gear (hand fishing) and with gear (gear fishing). Fishing methods that use gear include nets, traps, line fishing, fish attraction devices, and electrical fishing. The most common fishing method is net fishing, which accounts for 67% of fishing in India and 54% worldwide. Other major fishing methods include fish screening, fish trapping, and line fishing. The document provides details on specific net fishing techniques like gill nets, purse seines, and trawls. It also describes traps, line fishing, and the use of fish attraction devices.
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Phytoplankton,zoooplankton,benthos,fish relationship
Phytoplankton,zoooplankton,benthos,fish relationship
Similar to Hermit crabs
Flat fishes and their fisheries
Flatfishes are the common name of the order Pleuronectiformes. The characteristic features of flatfishes are their asymmetry, mainly their eyes, both eyes on the same side of the head in juveniles and adults.
this presentation deals with the Flat fishes and their fisheries in India.
Study of Molluscs
The document describes several different mollusks and cnidarians. It provides details on the physical characteristics, habitats, and taxonomic classifications of various gastropods like Conus and Cypraea, bivalves like Perna and Meritrix, and cnidarians like Fungia, Favia, Gorgonia, Tubipora, Metridium, and Pennatula. The document also includes general information on the phylum Mollusca and its classes, as well as the characteristic features and classes of the phylum Cnidaria.
Fish Morphology
This document provides an overview of fish morphology and anatomy. It describes the basic body divisions of head, trunk, and tail. It then discusses various body shapes and tail types that influence how fish move and live. These include elongated, compressed, rounded, and forked tail shapes. It also covers scale types, mouth positions, coloration strategies for camouflage and defense, and schooling behavior. The goal is to understand how fish body forms relate to their environment and lifestyle.
Underwater Life
Made this presentation for my sister for her school project .
Edit:
So apparently my sister had put in a lot of effort to build this presentation and my only contribution during the review was changing the word 'ma'am' to 'professor'. So all credits to her. ;)
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Fish Morphology.pptx
1. Fish bodies are divided into head, trunk, and tail sections, though divisions may not always be visible externally. They are classified based on body parts, mouth location and size, tail shape, color, and adaptations.
2. Body shape indicates how a fish moves and lives, with categories including fusiform for fast swimmers, depressiform for bottom dwellers, and anguilliform for eel-like fish.
3. Fish have a variety of fin, scale, mouth, coloration, and reproductive adaptations that help with functions like swimming, defense from predators, and reproduction.
Se ch.5 power point
Charles Darwin developed his theory of evolution by natural selection based on observations he made during a 5-year voyage. On the Galapagos Islands, Darwin noticed finches with different beak shapes that were well-adapted to the local foods. Over generations, natural selection led to the evolution of new species as populations became isolated and faced different environmental pressures. The fossil record and similarities in DNA provide further evidence for evolution over long periods of time.
Se ch.5 power point
Charles Darwin developed the theory of evolution by natural selection based on observations he made during a 5-year voyage as the naturalist on the HMS Beagle. Some of his most important observations included the diversity of life in South America and the Galapagos Islands, as well as adaptations and differences between similar species on different islands. These observations, combined with his knowledge of selective breeding, led him to propose natural selection as the mechanism of evolution. Natural selection results from overproduction of offspring, competition for limited resources, and inherited variations between individuals that influence survival and reproduction.
5 23 crabs’ niches in crab cove
The document summarizes a study of two crab species that inhabit Crab Cove in Alameda, CA: the Bay Shore Crab and the Lined Shore Crab. The researcher hypothesized that since there are two crab species, they must occupy different niches. Through transect surveys in muddy and rocky areas, the researcher found that Bay Shore Crabs exclusively inhabited muddy areas under rocks, while Lined Shore Crabs exclusively inhabited rocky areas under rocks and in crevices. This suggests the two species partition resources by inhabiting different habitats to avoid competition. Both crab species feed on algae and diatoms but their niches differ due to habitat specialization in muddy versus rocky environments.
Oar fish- Characters, Habitat, Feeding ,Threat ppt
Oarfish are large, greatly elongated, pelagic lampriform fish belonging to the small family Regalecidae. Found in all temperate to tropical oceans yet rarely seen, the oarfish family contains three species in two genera. One of these, the giant oarfish, is the longest bony fish alive, growing up to 8 m in length. Wikipedia
Class: Actinopterygii
Scientific name: Regalecidae
Phylum: Chordata
Higher classification: Lampriformes
Rank: Family
Kingdom: Animalia
Marine Mammals
Marine mammals include cetaceans, sirenians, and carnivores that rely on the ocean for existence. They are warm-blooded, breathe air, bear live young, and nurse with milk. Cetaceans include whales, dolphins, and porpoises that communicate and echolocate. Sirenians such as manatees and dugongs graze on aquatic plants. Carnivores include three families of pinnipeds (seals, sea lions, walrus), polar bears, and two families of otters. Physiological adaptations allow marine mammals to dive, thermoregulate, and locomote in water. Many species face threats and some are endangered.
Horse shoe crab
- Horseshoe crabs have a complex life cycle that begins with eggs buried in the sand for 2-4 weeks before hatching into larvae. The larvae swim for 6 days before settling on the ocean floor.
- They then undergo metamorphosis and molting over 2 years to develop into juveniles with tails, growing through this stage near where they were born.
- Mature horseshoe crabs reach breeding age around 10 years old, coming ashore annually to spawn in huge numbers, with females laying up to 88,000 eggs per season through multiple nests to ensure survival of offspring despite high predation rates.
Henry’s Fork Hatch Information
Discover hatch information for the Henry's Fork River. You can learn about nymph behavior, best hatching conditions, fishing techniques and the most popular fly patterns.
Hippocampus.pptx sahil
THIS SLIDE IS ON HIPPOCAMPUS ALSO KNOWN AS (SEA HORSE)
MOHD SHAHID & SAHIL
BSc(H)ZOOLOGY
RAMJAS COLLEGE UNIVERSITY OF DELHI
Invertrebrates anilmals(Non-Fish Aquatic Organisms)
This document summarizes several types of non-fish aquatic resources found in Philippine waters, including sponges, corals, jellyfish, mollusks, and arthropods. It describes the key characteristics of phyla Porifera (sponges), Coelenterata (corals and jellyfish), Mollusca (gastropods, cephalopods, and pelecypods), and Arthropoda. Examples are provided of commercially important species from each group, along with details on their morphology, life cycles, uses, and methods of collection/harvesting.
Biology Of Gorgonids.pptx
INTRODUCTION Gorgonians are marine coelenterates (referring to the hollow body cavity) of the class Anthozoa, which include sea fans, sea whips, corals, sea anemones, and other related species.
Gorgonids are soft corals commonly known as sea fans or sea whips, coming under the subclass Octocorallia and have eightfold radial symmetry.
It composed of numerous polyps—cylindrical sessile (attached) forms—that grow together in a flat fanlike pattern.
They are colonial animals that have a beautiful, branching structure that is covered by soft tissue and are generally found in warm waters and around reefs.
Bahamas sharks
This document provides information on 9 different shark species commonly found in the Bahamas through a series of paragraphs with headings identifying each shark. It discusses the key identifying features, behaviors, habitats, and other details about great hammerhead sharks, tiger sharks, Caribbean reef sharks, bull sharks, nurse sharks, lemon sharks, black tip reef sharks, oceanic white tip sharks, and silky sharks.
Octopus taxonomy and Biology.pptx
Taxonomic position, Identification of Octopus, types, Respiration, osmoregulation, circulation, Reproduction and behaviour importance
Whales
Cetaceans include whales, dolphins, and porpoises. There are two main types - toothed whales called Odontoceti that use their teeth to eat fish and squid, and baleen whales called Mysticeti that filter feed with baleen. Cetaceans vary widely in size from the largest, the blue whale, at 94 feet long, to the dwarf sperm whale at 8.5 feet. They exhibit complex social behaviors in pods, care for their young for over a year, and participate in activities like breaching and lobtailing. Many larger whale species are at risk of extinction due to past commercial whaling.
Similar to Hermit crabs (20)
Oar fish- Characters, Habitat, Feeding ,Threat ppt
Oar fish- Characters, Habitat, Feeding ,Threat ppt
Invertrebrates anilmals(Non-Fish Aquatic Organisms)
Invertrebrates anilmals(Non-Fish Aquatic Organisms)
More from Mariam Elsadek
Red sea endemic fishes in Egyptian coast
- The document summarizes red sea endemic fish species found in shallow and deep waters of the red sea. It describes over 1166 fish species from 159 families recorded.
- It provides details on 14 fish species found in various regions of the red sea including Dahab, Sharm El Shiekh, Hurghada, and Marsa Alam. For each species it lists family, physical description, habitat and depth range.
- The species described come from families including wrasses, parrotfishes, triggerfishes, cardinalfishes, puffers, goatfishes and rabbitfishes. They are generally reef-associated species found between depths of 0-50 meters.
اساسيات التقييم للبيئات .pptx
مرجع للعاملين بالبيئة لمعرفة كيف يتم التقييم واساسيات البحث عن منهج لمعرفة شكل البيئة وبناء خريطة بيئية
Green entrepreneurshipريادة الاعمال الخضراء .pptx
محتوى تدريبي باللغة العربية عن ريادة الاعمال الخضراء لاصحاب مشروعات بيئية ضمن تدريب جراج المحروسة 2022
Business development.pptx
The document discusses various topics related to building a business including team building, community building, social media strategies, sales techniques, and innovation. Specifically, it provides information on creating community through educational content, provocative questions, and branding. It also outlines approaches for social media marketing including setting goals, understanding audiences, researching competition, and testing strategies. Additionally, it discusses sales processes like direct vs indirect sales, blue and red ocean strategies, and influence techniques.
Dealing with money.pptx
part of my work for mentoring and facilitation for green entrepreneurship facilitation for startups in Egypt.
Coral reef.pptx
Save our reefs!
Save the Coral Reef!
Looking deep into the nature of Coral Reefs and their structure is one of my favorite escapism. I have so many thoughts about its formation and its zones that reflect the theory of formation for each and its structure (taxonomy).
The main lessons that I found very interesting to be shared, is about:
- The symbiotic relationship between the coral reef and zoothanlea.
- Interaction in the ecosystem.
- The structure of the coral reef and it’s small polyp formation.
Structural engineers used Coral reefs as inspiration for their buildings and city designs (the bio-inspired designs) and I found this quite interesting article that enthusiasts could use: https://lnkd.in/d2hT6MYY.
Also, there’s one of the best educational resources that anyone can use from the @Khaled bin Sultan Living Oceans Foundation that explains Coral Reef Ecology in a very professional way and it’s highly
recommended resource for any coral lovers. (https://lnkd.in/d-iPEWHg)
Also, I made some research and collect it in this PowerPoint that show how Coral reef shapes could be mimicked in different designs.
How to write proposal?
the way of presenting our business idea in well stated written format that will express what we will going to do?
Online verbal communication
going through process of content creation and how to use different tools that could help you engaged more with your audience.
connecting design thinking to make the content is human centric one.
Bmc
business model canvas is a rationale way of mapping patterns, structures and vision of the startups.
with it's 9 blocks framework.
visit strategyzer to know better about this concept and download their book to see how you could work with this map.
Design thinking
the creative problem solving methodology.
basic approach of understanding what's design thinking and how could we benefit from this approach in terms of business.
Entrepreneurship 101
The document provides an overview of entrepreneurship and the entrepreneurial process. It defines key terms like entrepreneur, entrepreneurship, and discusses frameworks like the entrepreneurial operating system. It also covers topics like developing a business idea, creating a minimum viable product, conducting market research, and financing a startup. The document aims to equip readers with the essential knowledge to understand and pursue entrepreneurship.
idea generation and design thinking
workshop designed to open doors for ideas and ways of thinking and how could we create pattern and structures and brainstorm
Adf sm 101
basics of social media and how to write content, ways of gaining money from social media and how to use different platforms to put validated scientific data online and simplify this to different audiences.
Social media 101
social media marketing essentials and how to design media campaign and strategies for content crafting.
History of environmental movements
since human started the industrial revolution and things started to become worse for environment and public health and so many movements took place. movements were means for representing anger and revolution.
5 things for better home gardening
for better home gardening and keeping healthy vegetation in your house, here's some advice regarding this topic!
curriculum designing
brainstorming ideas on designing curriculum for any type of audiences and basic concept of lecturing and teaching activities.
how pollutants affect us?
The document discusses various topics presented at TED 2019 including how everything is connected, transgenders, environmental diseases, plastics pollution, sustainability, and taking action to reduce human impact on the planet. It encourages examining our daily habits and ecological footprint to find ways to create positive change for people and the environment.
environmental management system
This document discusses various aspects of sustainable development and environmental management. It addresses the importance of lifting people out of poverty while also dealing with environmental problems. Different approaches to sustainability are mentioned, including physical interdependence, energy flow, and population dynamics. An effective environmental management system includes life cycle assessment, identifying and prioritizing actions, and selecting environmentally compatible materials. Renewable energy, specifically wind farms, are discussed as a sustainable solution to energy problems, but their impact on birds is noted as a challenge.
Different approaches to sustainable development
sustainable development considered to be the modern environmental movement, against anthropocentric and biocenteric school of thoughts, it merges both philosophies to make the new approach of conservation. Different approaches has been taken to study the content of sustainable development.
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RoHS stands for Restriction of Hazardous Substances, which is also known as t...
RoHS stands for Restriction of Hazardous Substances, which is also known as the Directive 2002/95/EC. It includes the restrictions for the use of certain hazardous substances in electrical and electronic equipment. RoHS is a WEEE (Waste of Electrical and Electronic Equipment).
Evolving Lifecycles with High Resolution Site Characterization (HRSC) and 3-D...
The incorporation of a 3DCSM and completion of HRSC provided a tool for enhanced, data-driven, decisions to support a change in remediation closure strategies. Currently, an approved pilot study has been obtained to shut-down the remediation systems (ISCO, P&T) and conduct a hydraulic study under non-pumping conditions. A separate micro-biological bench scale treatability study was competed that yielded positive results for an emerging innovative technology. As a result, a field pilot study has commenced with results expected in nine-twelve months. With the results of the hydraulic study, field pilot studies and an updated risk assessment leading site monitoring optimization cost lifecycle savings upwards of $15MM towards an alternatively evolved best available technology remediation closure strategy.
Improving the viability of probiotics by encapsulation methods for developmen...
Improving the viability of probiotics by encapsulation methods for developmen...Open Access Research Paper
The popularity of functional foods among scientists and common people has been increasing day by day. Awareness and modernization make the consumer think better regarding food and nutrition. Now a day’s individual knows very well about the relation between food consumption and disease prevalence. Humans have a diversity of microbes in the gut that together form the gut microflora. Probiotics are the health-promoting live microbial cells improve host health through gut and brain connection and fighting against harmful bacteria. Bifidobacterium and Lactobacillus are the two bacterial genera which are considered to be probiotic. These good bacteria are facing challenges of viability. There are so many factors such as sensitivity to heat, pH, acidity, osmotic effect, mechanical shear, chemical components, freezing and storage time as well which affects the viability of probiotics in the dairy food matrix as well as in the gut. Multiple efforts have been done in the past and ongoing in present for these beneficial microbial population stability until their destination in the gut. One of a useful technique known as microencapsulation makes the probiotic effective in the diversified conditions and maintain these microbe’s community to the optimum level for achieving targeted benefits. Dairy products are found to be an ideal vehicle for probiotic incorporation. It has been seen that the encapsulated microbial cells show higher viability than the free cells in different processing and storage conditions as well as against bile salts in the gut. They make the food functional when incorporated, without affecting the product sensory characteristics.
Peatlands of Latin America and the Caribbean
Presented by The Global Peatlands Assessment: Mapping, Policy, and Action at GLF Peatlands 2024 - The Global Peatlands Assessment: Mapping, Policy, and Action
Wildlife-AnIntroduction.pdf so that you know more about our environment
All about wildlife, if you are fond of animals and wildlife then do follow us for more content like this
Kinetic studies on malachite green dye adsorption from aqueous solutions by A...
Kinetic studies on malachite green dye adsorption from aqueous solutions by A...Open Access Research Paper
Water polluted by dyestuffs compounds is a global threat to health and the environment; accordingly, we prepared a green novel sorbent chemical and Physical system from an algae, chitosan and chitosan nanoparticle and impregnated with algae with chitosan nanocomposite for the sorption of Malachite green dye from water. The algae with chitosan nanocomposite by a simple method and used as a recyclable and effective adsorbent for the removal of malachite green dye from aqueous solutions. Algae, chitosan, chitosan nanoparticle and algae with chitosan nanocomposite were characterized using different physicochemical methods. The functional groups and chemical compounds found in algae, chitosan, chitosan algae, chitosan nanoparticle, and chitosan nanoparticle with algae were identified using FTIR, SEM, and TGADTA/DTG techniques. The optimal adsorption conditions, different dosages, pH and Temperature the amount of algae with chitosan nanocomposite were determined. At optimized conditions and the batch equilibrium studies more than 99% of the dye was removed. The adsorption process data matched well kinetics showed that the reaction order for dye varied with pseudo-first order and pseudo-second order. Furthermore, the maximum adsorption capacity of the algae with chitosan nanocomposite toward malachite green dye reached as high as 15.5mg/g, respectively. Finally, multiple times reusing of algae with chitosan nanocomposite and removing dye from a real wastewater has made it a promising and attractive option for further practical applications.
Lessons from operationalizing integrated landscape approaches
Presented by James Reed at "9th Landscape Sustainability Science Forum" on 11 May 2024
原版制作(Manitoba毕业证书)曼尼托巴大学毕业证学位证一模一样
学校原件一模一样【微信：741003700 】《(Manitoba毕业证书)曼尼托巴大学毕业证学位证》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
Improving the Management of Peatlands and the Capacities of Stakeholders in I...
Improving the Management of Peatlands and the Capacities of Stakeholders in I...Global Landscapes Forum (GLF)
Presented by Sonya Dewi at GLF Peatlands 2024 - 360 Degree Approach to Improving Capacity of Multiple Stakeholders to Manage Peatland SustainablyEpcon is One of the World's leading Manufacturing Companies.
Epcon is One of the World's leading Manufacturing Companies. With over 4000 installations worldwide, EPCON has been pioneering new techniques since 1977 that have become industry standards now. Founded in 1977, Epcon has grown from a one-man operation to a global leader in developing and manufacturing innovative air pollution control technology and industrial heating equipment.
Microbial characterisation and identification, and potability of River Kuywa ...
Microbial characterisation and identification, and potability of River Kuywa ...Open Access Research Paper
Water contamination is one of the major causes of water borne diseases worldwide. In Kenya, approximately 43% of people lack access to potable water due to human contamination. River Kuywa water is currently experiencing contamination due to human activities. Its water is widely used for domestic, agricultural, industrial and recreational purposes. This study aimed at characterizing bacteria and fungi in river Kuywa water. Water samples were randomly collected from four sites of the river: site A (Matisi), site B (Ngwelo), site C (Nzoia water pump) and site D (Chalicha), during the dry season (January-March 2018) and wet season (April-July 2018) and were transported to Maseno University Microbiology and plant pathology laboratory for analysis. The characterization and identification of bacteria and fungi were carried out using standard microbiological techniques. Nine bacterial genera and three fungi were identified from Kuywa river water. Clostridium spp., Staphylococcus spp., Enterobacter spp., Streptococcus spp., E. coli, Klebsiella spp., Shigella spp., Proteus spp. and Salmonella spp. Fungi were Fusarium oxysporum, Aspergillus flavus complex and Penicillium species. Wet season recorded highest bacterial and fungal counts (6.61-7.66 and 3.83-6.75cfu/ml) respectively. The results indicated that the river Kuywa water is polluted and therefore unsafe for human consumption before treatment. It is therefore recommended that the communities to ensure that they boil water especially for drinking.
Overview of the Global Peatlands Assessment
Presented by Patrick Scheel at GLF Peatlands 2024 - The Global Peatlands Assessment: Mapping, Policy, and Action
Enhanced action and stakeholder engagement for sustainable peatland management
Enhanced action and stakeholder engagement for sustainable peatland managementGlobal Landscapes Forum (GLF)
Presented by Jan Peters at GLF Peatlands 2024 - The Global Peatlands Assessment: Mapping, Policy, and Action原版制作(Newcastle毕业证书)纽卡斯尔大学毕业证在读证明一模一样
学校原件一模一样【微信：741003700 】《(Newcastle毕业证书)纽卡斯尔大学毕业证》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
在线办理(lboro毕业证书)拉夫堡大学毕业证学历证书一模一样
学校原件一模一样【微信：741003700 】《(lboro毕业证书)拉夫堡大学毕业证学历证书》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
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Hermit crabs
- 1. Hermit crabs
- 2. Introduction • Related more closely to lobsters rather than crabs – Lack of hard carapace. – adopt the empty shells of gastropod molluscs (such as whelks), carrying them around and swapping them for a larger shell as they grow
- 3. • When seen out of a shell, hermit crabs have a bizarre appearance; – the soft abdomen is twisted, which allows it to fit into the coils of the gastropod shell.
- 4. Distribution • worldwide in distribution, – occur in sandy- or muddy-bottomed marine waters – occasionally on land and in trees
- 6. • Color: – The common hermit crab is typically reddish or brownish in color.
- 7. • Abdominal appendages on the female carry the eggs, which are held there until they hatch; the young pass into the water as swimming larvae.
- 8. • appearance: – has two pincers on the first pair of walking legs. – The soft abdomen is asymmetrical, usually curling to the right. There are two pairs of antennae and five pairs of legs
- 9. Biomimicry • As the crab grows and becomes too large for its shell, it must find and move into a larger one. • The availability of suitable shells is often limited, so competition among hermit crabs for shells of the proper size and in good condition is intense.
- 10. Capecho :D
- 11. Habitat • Some hermit crabs live in: – the tubes of plant stems. – Semiterrestrial, – tropical species of Coenobita inhabit sections of bamboo stems, – broken coconut shells, and other articles, – seashells.
- 12. Threat • Aluminum cans and plastics. – Trapping
- 13. referneces • Arkive. • Birtannica. • World wildlife website.