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Insects are arthropods with three body segments - head, thorax, and abdomen. They represent over half of all known living organisms with over a million described species. Insects go through different life cycle stages depending on whether their development is simple or complex. For both, the stages include an egg, nymph or larvae, and finally adulthood. Insects usually only sting or bite defensively to protect their hives or nests.
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Life Cycle of the Fly
This document is an assessment submission by Rhonda Perrett for a teaching assignment on the living world. It includes an electronic learning tool about the life cycle of flies consisting of interactive pages with information and images about flies. It also includes an acknowledgement statement and links the content to curriculum essential learnings and lists references used.
Life cycle of cockroach
Cockroaches go through three life stages: egg, nymph, and adult. Eggs hatch into nymphs that are small and white. Nymphs undergo several moltings where they grow larger and change color until resembling adults. The nymph stage can last from 1.5 months to several years depending on the cockroach species and environment. Once fully matured, cockroaches can live from a few months to over two years.
MOTH N BUTTERFLY
This document discusses the evolution, anatomy, life cycles, feeding habits, migration, and importance of butterflies and moths. It notes that butterflies and moths have existed since the Jurassic period 190 million years ago and have adapted to climate changes. Their anatomy includes wings, antennae, eyes, and other features. They go through a life cycle of egg, caterpillar, pupa, and adult. Some migrate long distances to escape unfavorable conditions while others migrate shorter distances. They are important for pollination, pest control, and as parts of the ecosystem and food chain.
Butterfly
The document outlines the four life cycle stages of a butterfly: 1) Egg, where the female attaches eggs to leaves near food sources. 2) Larva or caterpillar, the feeding stage where it grows and sheds its skin multiple times. 3) Pupa, the transformation stage where the caterpillar tissues break down and adult structures form. 4) Adult butterfly, the colorful reproductive stage where it mates and lays eggs before potentially migrating to new habitats.
Insects
Insects have an exoskeleton, segmented bodies, and three pairs of jointed legs. They go through four life stages - egg, larva, pupa, and adult. Ants in particular have eggs that are 1 mm long, worm-like larvae that molt and are fed by workers, a pupal stage where they spin cocoons and metamorphose, and then emerge as adults.
Phylum Cycliophora
Phylum Cycliophora contains microscopic marine invertebrates that live commensally on lobsters. There are possibly 3 known species that were discovered in 1995 living on the mouthparts of lobsters. Cycliophora have a multicellular, bilateral, and acoelomate body form and go through both asexual and sexual reproduction. They feed by filtering food particles through a buccal funnel and have both motile larval stages and a sessile feeding stage.
Frog cycle powp
The frog goes through four main stages in its life cycle: egg, tadpole, developing froglet, and adult frog. In the egg stage, the frog lays many jelly-coated eggs. These hatch into tadpoles, which have tails and gills. As the tadpole grows, it develops lungs and limbs while its tail is reabsorbed, allowing it to live on land as an adult frog.
Life Cycle of A Butterfly
The document summarizes the life cycle of a butterfly in four stages:
1) Egg - The butterfly lays eggs on a plant leaf which hatch after a few days.
2) Larva/Caterpillar - The larva hatches from the egg and eats constantly as it grows, molting several times.
3) Pupa - The larva forms a chrysalis and undergoes metamorphosis to emerge as an adult butterfly.
4) Adult - The adult butterfly emerges from the chrysalis with wings that must dry before it can fly.
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Life Cycle of the Fly
This document is an assessment submission by Rhonda Perrett for a teaching assignment on the living world. It includes an electronic learning tool about the life cycle of flies consisting of interactive pages with information and images about flies. It also includes an acknowledgement statement and links the content to curriculum essential learnings and lists references used.
Life cycle of cockroach
Cockroaches go through three life stages: egg, nymph, and adult. Eggs hatch into nymphs that are small and white. Nymphs undergo several moltings where they grow larger and change color until resembling adults. The nymph stage can last from 1.5 months to several years depending on the cockroach species and environment. Once fully matured, cockroaches can live from a few months to over two years.
MOTH N BUTTERFLY
This document discusses the evolution, anatomy, life cycles, feeding habits, migration, and importance of butterflies and moths. It notes that butterflies and moths have existed since the Jurassic period 190 million years ago and have adapted to climate changes. Their anatomy includes wings, antennae, eyes, and other features. They go through a life cycle of egg, caterpillar, pupa, and adult. Some migrate long distances to escape unfavorable conditions while others migrate shorter distances. They are important for pollination, pest control, and as parts of the ecosystem and food chain.
Butterfly
The document outlines the four life cycle stages of a butterfly: 1) Egg, where the female attaches eggs to leaves near food sources. 2) Larva or caterpillar, the feeding stage where it grows and sheds its skin multiple times. 3) Pupa, the transformation stage where the caterpillar tissues break down and adult structures form. 4) Adult butterfly, the colorful reproductive stage where it mates and lays eggs before potentially migrating to new habitats.
Insects
Insects have an exoskeleton, segmented bodies, and three pairs of jointed legs. They go through four life stages - egg, larva, pupa, and adult. Ants in particular have eggs that are 1 mm long, worm-like larvae that molt and are fed by workers, a pupal stage where they spin cocoons and metamorphose, and then emerge as adults.
Phylum Cycliophora
Phylum Cycliophora contains microscopic marine invertebrates that live commensally on lobsters. There are possibly 3 known species that were discovered in 1995 living on the mouthparts of lobsters. Cycliophora have a multicellular, bilateral, and acoelomate body form and go through both asexual and sexual reproduction. They feed by filtering food particles through a buccal funnel and have both motile larval stages and a sessile feeding stage.
Frog cycle powp
The frog goes through four main stages in its life cycle: egg, tadpole, developing froglet, and adult frog. In the egg stage, the frog lays many jelly-coated eggs. These hatch into tadpoles, which have tails and gills. As the tadpole grows, it develops lungs and limbs while its tail is reabsorbed, allowing it to live on land as an adult frog.
Life Cycle of A Butterfly
The document summarizes the life cycle of a butterfly in four stages:
1) Egg - The butterfly lays eggs on a plant leaf which hatch after a few days.
2) Larva/Caterpillar - The larva hatches from the egg and eats constantly as it grows, molting several times.
3) Pupa - The larva forms a chrysalis and undergoes metamorphosis to emerge as an adult butterfly.
4) Adult - The adult butterfly emerges from the chrysalis with wings that must dry before it can fly.
The life cycle of butterfly
The document outlines the 4 life cycle stages of a butterfly: 1) Egg, where the caterpillar grows inside the egg attached to leaves. 2) Larva or caterpillar, the long worm-like feeding stage. 3) Pupa or chrysalis, where the caterpillar forms a protective shell to transform into a butterfly. 4) Adult butterfly, the colorful reproductive stage that forms new habitats and looks for nectar food.
Life Cycle Of The Butterfly
This document summarizes the life cycle of a butterfly through four stages:
1) Egg - The first stage where butterflies lay eggs on leaves.
2) Larva (caterpillar) - The second stage where the caterpillar hatches and eats leaves, molting several times as it grows.
3) Pupa (chrysalis) - The third stage where the caterpillar undergoes metamorphosis inside the chrysalis.
4) Adult - The fourth and final stage where the butterfly emerges with wings and mates, continuing the cycle.
Phylum nematoda 1
Nematodes, or roundworms, are one of the most abundant phyla of animals. They have a cylindrical shape with a flexible cuticle and lack organs like cilia. Nematodes can be free-living in soil and water or parasitic in plants and animals. They are classified based on features of their sensory organs, excretory systems, and male tail structures. Common examples are the human parasites Ascaris and Trichinella.
LIFE CYCLE OF A FROG
Frogs lay many eggs in water which hatch into tadpoles. Tadpoles grow back legs followed by front legs as their tails shrink. Eventually the tadpoles transform into adult frogs that can live on land or in water, completing the frog life cycle.
Nematodes
Nematodes are small, cylindrical worms that have a hydrostatic skeleton and pseudocoelom. They lack organ systems for circulation, respiration, and transportation of nutrients and waste. Nematodes reproduce sexually, with males inserting sperm into the female's vagina. They exhibit diverse feeding behaviors depending on the species, from bacteria and algae to fungi, plants, and some are parasitic. There are millions of nematode variations, with thousands present in a single handful of soil.
Frog cycle
The life cycle of a frog has four main stages: egg, tadpole, adult frog. Frogs first lay many eggs coated in jelly, which hatch into tadpoles. Tadpoles live in the water, breathing with gills and having a tail but no legs. They grow lungs and legs allowing them to transition to the final adult frog stage living on land.
Birth & reproductive developmental process
This document discusses reproduction and development in vertebrates and invertebrates. It explains that some fish can change sex and produce both eggs and sperm. It also describes the fertilization process and germ layer formation in development. Key differences between vertebrates and invertebrates are highlighted, and examples of reproductive modes in bony fish, flatworms, insects and their life cycles are provided.
Nematoda
This document provides information about roundworms of the phylum Nematoda. It discusses that roundworms can be found everywhere from intestines to the Antarctic. They are one of the most diverse groups of animals with over 20,000 known species. Roundworms can live in many habitats including oceans, gardens, and inside other animals. While they play roles in nutrient cycling and population control, they can also damage agriculture and harm animal and human health. Roundworms have been around since before the Carboniferous period 354-290 million years ago. They were the first animals to evolve a complete digestive system with separate openings for intake and waste expulsion.
Life cycle of a ladybug diyara kumarage
Ladybugs go through four life stages: eggs are laid on leaves and hatch into larvae, larvae eat pests like mites and aphids as they grow over 2-4 weeks while shedding their skin, then they form a pupa attached to a leaf for 5-7 days before emerging as soft pale adult ladybugs that soon harden their shell and brighten to the iconic red color.
Cool things about insects!
Insects have a three-part body, three pairs of legs, compound eyes, and one pair of antennas. Their compound eyes are made of thousands of tiny lenses that allow them to see 360 degrees, though not details. Insects lay eggs in various locations and have life cycles from one day to 50 years. They use camouflage and mimicry, and come in a wide range of sizes and populations. While some insects are harmful, many are beneficial as pollinators, and their study contributes to our understanding of biodiversity.
AGR154 CHAPTER 4 - NEMATODES
Nematodes are small roundworms that live in soil and water. They range from 300-1000 micrometers in length and 15-35 micrometers wide. They have smooth, unsegmented, eel-like bodies without legs. Nematodes have a digestive system with a mouth, esophagus, intestine, and anus. They reproduce sexually or asexually through eggs. The life cycle involves eggs hatching into juvenile stages that molt four times before becoming adults. Nematodes are isolated from soil using the Baermann funnel method where soil is placed over a mesh in an inverted funnel suspended in water, allowing nematodes to move out of the soil into the water below.
Order:- hymenoptera(important families)
This document discusses the order Hymenoptera and some of its key families. It begins by providing characteristics of the order, which includes wings that are stiff and membranous. The order is divided into two suborders: Symphyta and Apocrita. It then describes 7 families of Hymenoptera in detail, including Apidae (honey bees), Tenthredinidae (sawflies), Braconidae (braconid wasps), Chalcididae, Formicidae (ants), Trichogrammatidae (egg parasitoids), and Ichneumonidae. Each family summary includes 1-2 defining characteristics and an example genus. References used include books and online resources.
Phylum Nematoda Notes
This document discusses the phylum Nematoda, also known as roundworms. It notes that nematodes are some of the most abundant animals on Earth, with an estimated 5 billion in each acre of fertile soil. The majority are parasitic. Examples of nematode parasites include pinworms, hookworms, guinea worms, and Ascaris. Nematodes play an important role in recycling nutrients in soil. They are triploblastic, bilateral, unsegmented organisms covered by a cuticle. Most nematodes have separate sexes and undergo molting to grow. Their digestive and reproductive systems are also summarized.
Diptera
The document summarizes key information about flies in the insect order Diptera. It notes that Diptera have one pair of wings, with the hindwings reduced to halteres. They undergo complete metamorphosis from egg to larva to pupa to adult. As adults, they are usually strong fliers and have large, multifaceted eyes. The order is divided into the suborders Nematocera and Brachycera. Larvae generally lack legs and have chewing mouthparts, while adults feed on liquids and some transmit diseases. Both beneficial and damaging species are discussed.
Project 5
The document discusses the 5 Kingdoms - Plants, Animals, Fungi, Protists, and Bacteria. It provides details on the main groups in each Kingdom: plants are divided into vascular and non-vascular; animals include invertebrates and vertebrates; fungi include yeasts, molds, and mushrooms; protists include amoebas, paramecium, and molds; and bacteria do not have subgroups. The document aims to teach about the classification of living things into the 5 Kingdoms.
Lepidoptera
Slide contains prominant features and important families of order lepidoptera. Useful for Entomology students.
Phylum Nematoda (and Four Phyla of Likely Nematode Relatives)
1. Nematodes, or roundworms, are a diverse phylum of small, unsegmented worms found in nearly every ecosystem. They include both free-living and parasitic species.
2. Four other phyla - Nematomorpha, Priapulida, Kinorhyncha, and Loricifera - are also discussed as they are considered close relatives of nematodes.
3. Important nematode model organisms like Caenorhabditis elegans are discussed in terms of their roles in research related to neuroscience, aging, and cryobiology.
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Introductory Entomology
Entomology is the study of insects. Insects have three body segments - head, thorax, and abdomen. They belong to the phylum Arthropoda, whose members have jointed appendages, an exoskeleton, and segmented bodies. The major classes of arthropods are crustaceans, myriapoda, arachnids, and insects. Insects are divided into two subclasses - Apterygota, which lack wings, and Pterygota, which are winged or secondarily wingless. Important orders of insects discussed include Hemiptera, Odonata, Orthoptera, Isoptera, Coleoptera, Diptera, Lepidoptera, and
Butterfly by asad aslam
A butterfly is an insect with six legs, three body parts (head, thorax, abdomen), two antennae with knobs, and four scaly wings. Butterflies go through four life stages: egg, larvae/caterpillar, pupa, and adult. As adults, butterflies eat nectar from flowers. They are found worldwide but most common in tropical areas like rainforests. Many species migrate to avoid poor conditions. Butterflies can be affected by diseases, parasites, and insecticides. Some species found in Pakistan include the monarch, common Mormon, common blue Apollo, and Baltia butleri.
Chagu
The document provides information on the life cycles of several common parasites and pests, including mosquitoes, cockroaches, lice, roundworm (Ascaris lumbricoides), hookworm, and rats. It describes the egg, larval, pupal, and adult stages for each organism and notes key details about development times, habitats, and transmission methods.
A Life Cycle is how an organism passes through a series of development stages...
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The life cycle of butterfly
The document outlines the 4 life cycle stages of a butterfly: 1) Egg, where the caterpillar grows inside the egg attached to leaves. 2) Larva or caterpillar, the long worm-like feeding stage. 3) Pupa or chrysalis, where the caterpillar forms a protective shell to transform into a butterfly. 4) Adult butterfly, the colorful reproductive stage that forms new habitats and looks for nectar food.
Life Cycle Of The Butterfly
This document summarizes the life cycle of a butterfly through four stages:
1) Egg - The first stage where butterflies lay eggs on leaves.
2) Larva (caterpillar) - The second stage where the caterpillar hatches and eats leaves, molting several times as it grows.
3) Pupa (chrysalis) - The third stage where the caterpillar undergoes metamorphosis inside the chrysalis.
4) Adult - The fourth and final stage where the butterfly emerges with wings and mates, continuing the cycle.
Phylum nematoda 1
Nematodes, or roundworms, are one of the most abundant phyla of animals. They have a cylindrical shape with a flexible cuticle and lack organs like cilia. Nematodes can be free-living in soil and water or parasitic in plants and animals. They are classified based on features of their sensory organs, excretory systems, and male tail structures. Common examples are the human parasites Ascaris and Trichinella.
LIFE CYCLE OF A FROG
Frogs lay many eggs in water which hatch into tadpoles. Tadpoles grow back legs followed by front legs as their tails shrink. Eventually the tadpoles transform into adult frogs that can live on land or in water, completing the frog life cycle.
Nematodes
Nematodes are small, cylindrical worms that have a hydrostatic skeleton and pseudocoelom. They lack organ systems for circulation, respiration, and transportation of nutrients and waste. Nematodes reproduce sexually, with males inserting sperm into the female's vagina. They exhibit diverse feeding behaviors depending on the species, from bacteria and algae to fungi, plants, and some are parasitic. There are millions of nematode variations, with thousands present in a single handful of soil.
Frog cycle
The life cycle of a frog has four main stages: egg, tadpole, adult frog. Frogs first lay many eggs coated in jelly, which hatch into tadpoles. Tadpoles live in the water, breathing with gills and having a tail but no legs. They grow lungs and legs allowing them to transition to the final adult frog stage living on land.
Birth & reproductive developmental process
This document discusses reproduction and development in vertebrates and invertebrates. It explains that some fish can change sex and produce both eggs and sperm. It also describes the fertilization process and germ layer formation in development. Key differences between vertebrates and invertebrates are highlighted, and examples of reproductive modes in bony fish, flatworms, insects and their life cycles are provided.
Nematoda
This document provides information about roundworms of the phylum Nematoda. It discusses that roundworms can be found everywhere from intestines to the Antarctic. They are one of the most diverse groups of animals with over 20,000 known species. Roundworms can live in many habitats including oceans, gardens, and inside other animals. While they play roles in nutrient cycling and population control, they can also damage agriculture and harm animal and human health. Roundworms have been around since before the Carboniferous period 354-290 million years ago. They were the first animals to evolve a complete digestive system with separate openings for intake and waste expulsion.
Life cycle of a ladybug diyara kumarage
Ladybugs go through four life stages: eggs are laid on leaves and hatch into larvae, larvae eat pests like mites and aphids as they grow over 2-4 weeks while shedding their skin, then they form a pupa attached to a leaf for 5-7 days before emerging as soft pale adult ladybugs that soon harden their shell and brighten to the iconic red color.
Cool things about insects!
Insects have a three-part body, three pairs of legs, compound eyes, and one pair of antennas. Their compound eyes are made of thousands of tiny lenses that allow them to see 360 degrees, though not details. Insects lay eggs in various locations and have life cycles from one day to 50 years. They use camouflage and mimicry, and come in a wide range of sizes and populations. While some insects are harmful, many are beneficial as pollinators, and their study contributes to our understanding of biodiversity.
AGR154 CHAPTER 4 - NEMATODES
Nematodes are small roundworms that live in soil and water. They range from 300-1000 micrometers in length and 15-35 micrometers wide. They have smooth, unsegmented, eel-like bodies without legs. Nematodes have a digestive system with a mouth, esophagus, intestine, and anus. They reproduce sexually or asexually through eggs. The life cycle involves eggs hatching into juvenile stages that molt four times before becoming adults. Nematodes are isolated from soil using the Baermann funnel method where soil is placed over a mesh in an inverted funnel suspended in water, allowing nematodes to move out of the soil into the water below.
Order:- hymenoptera(important families)
This document discusses the order Hymenoptera and some of its key families. It begins by providing characteristics of the order, which includes wings that are stiff and membranous. The order is divided into two suborders: Symphyta and Apocrita. It then describes 7 families of Hymenoptera in detail, including Apidae (honey bees), Tenthredinidae (sawflies), Braconidae (braconid wasps), Chalcididae, Formicidae (ants), Trichogrammatidae (egg parasitoids), and Ichneumonidae. Each family summary includes 1-2 defining characteristics and an example genus. References used include books and online resources.
Phylum Nematoda Notes
This document discusses the phylum Nematoda, also known as roundworms. It notes that nematodes are some of the most abundant animals on Earth, with an estimated 5 billion in each acre of fertile soil. The majority are parasitic. Examples of nematode parasites include pinworms, hookworms, guinea worms, and Ascaris. Nematodes play an important role in recycling nutrients in soil. They are triploblastic, bilateral, unsegmented organisms covered by a cuticle. Most nematodes have separate sexes and undergo molting to grow. Their digestive and reproductive systems are also summarized.
Diptera
The document summarizes key information about flies in the insect order Diptera. It notes that Diptera have one pair of wings, with the hindwings reduced to halteres. They undergo complete metamorphosis from egg to larva to pupa to adult. As adults, they are usually strong fliers and have large, multifaceted eyes. The order is divided into the suborders Nematocera and Brachycera. Larvae generally lack legs and have chewing mouthparts, while adults feed on liquids and some transmit diseases. Both beneficial and damaging species are discussed.
Project 5
The document discusses the 5 Kingdoms - Plants, Animals, Fungi, Protists, and Bacteria. It provides details on the main groups in each Kingdom: plants are divided into vascular and non-vascular; animals include invertebrates and vertebrates; fungi include yeasts, molds, and mushrooms; protists include amoebas, paramecium, and molds; and bacteria do not have subgroups. The document aims to teach about the classification of living things into the 5 Kingdoms.
Lepidoptera
Slide contains prominant features and important families of order lepidoptera. Useful for Entomology students.
Phylum Nematoda (and Four Phyla of Likely Nematode Relatives)
1. Nematodes, or roundworms, are a diverse phylum of small, unsegmented worms found in nearly every ecosystem. They include both free-living and parasitic species.
2. Four other phyla - Nematomorpha, Priapulida, Kinorhyncha, and Loricifera - are also discussed as they are considered close relatives of nematodes.
3. Important nematode model organisms like Caenorhabditis elegans are discussed in terms of their roles in research related to neuroscience, aging, and cryobiology.
Amazing salamanders by chirag dhankhar
salamanders
reptiles
Chordata
Classification of Salamander
Urodela
Vertibrata
Habit and Habitat of salamander
External Morphology of salamander
Digestive System of salamander
Respiratory System of salamander
Circulatory System of salamander
lifespan of salamander
Adaptations of salamander
Conservation status of salamander
Reproductive system of salamander
life cycle of salamander
evolutionary significance of salamander
Introductory Entomology
Entomology is the study of insects. Insects have three body segments - head, thorax, and abdomen. They belong to the phylum Arthropoda, whose members have jointed appendages, an exoskeleton, and segmented bodies. The major classes of arthropods are crustaceans, myriapoda, arachnids, and insects. Insects are divided into two subclasses - Apterygota, which lack wings, and Pterygota, which are winged or secondarily wingless. Important orders of insects discussed include Hemiptera, Odonata, Orthoptera, Isoptera, Coleoptera, Diptera, Lepidoptera, and
Butterfly by asad aslam
A butterfly is an insect with six legs, three body parts (head, thorax, abdomen), two antennae with knobs, and four scaly wings. Butterflies go through four life stages: egg, larvae/caterpillar, pupa, and adult. As adults, butterflies eat nectar from flowers. They are found worldwide but most common in tropical areas like rainforests. Many species migrate to avoid poor conditions. Butterflies can be affected by diseases, parasites, and insecticides. Some species found in Pakistan include the monarch, common Mormon, common blue Apollo, and Baltia butleri.
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Phylum Nematoda (and Four Phyla of Likely Nematode Relatives)
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Chagu
The document provides information on the life cycles of several common parasites and pests, including mosquitoes, cockroaches, lice, roundworm (Ascaris lumbricoides), hookworm, and rats. It describes the egg, larval, pupal, and adult stages for each organism and notes key details about development times, habitats, and transmission methods.
A Life Cycle is how an organism passes through a series of development stages...
A Life Cycle is how an organism passes through a series of development stages on its ways to adulthood. Mammals, reptiles, amphibians, insects and other invertebrates all have their own unique way through life. Only 3% of all animals on this planet give birth to live young.
Mosquitoes
This document provides an overview of mosquitoes, including:
- Mosquitoes have worldwide distribution and there are over 3,450 known species grouped by genus based on physical characteristics. The three most medically important genera are Culex, Aedes, and Anopheles.
- Mosquitoes have a four stage lifecycle - egg, larva, pupa, adult. Larvae develop through four instar stages in aquatic habitats before transforming into non-feeding pupae and then emerging as adult mosquitoes.
- Male and female mosquitoes can be distinguished by features like antennae type and mouthpart morphology. Females require blood meals for egg production while males feed on plant nectar
Metamorphosis
This document discusses insect metamorphosis. It explains that there are two types: incomplete metamorphosis, which has three stages (egg, nymph, adult), and complete metamorphosis, which has four stages (egg, larva, pupa, adult). Incomplete metamorphosis involves an insect growing gradually from nymph to adult, while complete metamorphosis involves a dramatic physical change between life stages. Examples of insects that undergo each type of metamorphosis are provided.
Arthropods
1) Arthropods are the largest phylum of animals and include insects, arachnids, crustaceans, centipedes, and millipedes.
2) They have an exoskeleton, undergo molting, and have appendages. Insects have a three-part body plan and undergo either complete or incomplete metamorphosis.
3) Complete metamorphosis involves four stages - egg, larva, pupa, adult - while incomplete involves three stages - egg, nymph, adult. Arachnids include spiders and scorpions, while crustaceans include crabs and shrimp.
Order hemiptera True bugs
Hemiptera, commonly known as true bugs, is an order of insects characterized by their piercing and sucking mouthparts.
There are over 6000 described species of Hemiptera that vary greatly in size and habitat. They exhibit incomplete or "simple" metamorphosis, progressing from egg to nymph to adult. Nymphs resemble wingless adults.
Hemiptera are divided into three suborders - Heteroptera contain true bugs like bed bugs and water bugs, Auchenorrhyncha contain plant-feeding insects like cicadas and leafhoppers, and Sternorrhyncha contain sap-sucking insects like aphids and scales. Each suborder shares
Entomology
Forensic entomology uses insects and their life cycles to help determine important details for investigating crimes and death investigations. The succession of insects that colonize a corpse follows predictable stages and can help estimate the post-mortem interval, which is the time since death. Temperature affects the development and growth of insects, so understanding these relationships is important for using insects to estimate timelines in forensic investigations.
Classification of Insect
This document discusses entomology and insects. It begins by defining entomology as the study of insects and describes how entomologists observe and experiment with insects. It then discusses why biologists study insects, noting their ease of culturing, rapid life cycles, and minimal ethical concerns compared to vertebrates. The document outlines the diversity of insects in terms of feeding habits and habitats. It also describes the importance of insects for ecosystem functions like nutrient recycling, plant propagation, and as a food source. The document concludes by discussing insect classification systems and the three main types of metamorphosis: ametabolous, hemimetabolous, and holometabolous.
Insects
Insects are a class of arthropods that have three body segments, three pairs of legs, and two antennae. They display two types of metamorphosis - complete metamorphosis with four life stages (egg, larva, pupa, adult), or incomplete metamorphosis with gradual changes through molting. Insects are highly diverse and make up over half of all known living organisms, with over a million described species.
Arthropoda
Arthropoda is coming under the Kingdom of animals,
Arthropoda is the largest group of animals. These found everywhere on the Earth.
GK. artho = jointed ; podos = foot
metamorphosis_in_insect_presentation.pdf
Metamorphosis in insects involves changes from the larval stage to the adult stage. There are two main types: hemimetabolous insects which develop gradually through nymph stages resembling adults, and holometabolous insects which develop through distinct egg, larva, pupa, and adult stages. Larvae molt and grow before pupating. The pupa stage involves remodeling into the adult form. Eclosion occurs when the adult emerges from the pupal case. Metamorphosis and molting are controlled by hormones including juvenile hormone and ecdysteroids which regulate development and transition between stages.
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Forensic entomology is the use of insect evidence in legal investigations. By studying the insects and arthropods found on a corpse, investigators can estimate time of death, determine if a body was moved after death, and identify potential toxins. Different insects colonize corpses in a predictable succession, with blowflies usually arriving first and dermestid beetles later. By identifying the insect life stages present, investigators can estimate the post-mortem interval, or time since death. This field was pioneered by Sung T'zu in ancient China and formally established in 1855 by Bergeret, who used insect evidence to solve an infant murder case.
3rd GP Sci 4- L3 Environment Affect the Life Cycle of Organisms.pptx
The document discusses how the environment can affect the life cycle of organisms. It provides examples of complete and incomplete metamorphosis in animals, describing the egg, larva, pupa, and adult stages for butterflies. Environmental factors like bad weather or drought can negatively impact organisms' life cycles by preventing completion of the stages. The life cycles of plants like beans and rice are also presented, noting how events like drought from El Niño can cause rice plants to die before completing their life cycle. In summary, an organism's life cycle progresses through different stages, and the environment can influence whether all stages are successfully completed.
Life cycle of fish parasites from each group
The document summarizes the life cycles of various fish parasites. It describes that parasites can have either direct life cycles using one host or indirect life cycles using multiple hosts. It then examines the life cycles of specific parasite groups in more detail, including protozoans (Ichthyophthirius multifiliis), monogenean flukes (Dactylogyrus sp.), digenean flukes (Clinostomum complanatum), cestodes (Proteocephalus ambloplitis), acanthocephalans (Pallisentis ophiocephali), nematodes (Camallanus lacustris), crustaceans (Argulus sp.), leeches (Piscic
Butterfly
This is my first slide show presentation in IT1 subject and it is entitled BUTTERFLY. I hope for those people who wants to able to view i wish you will like it.
The Life Cycle: The Stages of the Metamorphosis Process
The document describes the life cycle of butterflies through metamorphosis. It begins with an egg, which hatches into a caterpillar. The caterpillar feeds and grows, then forms a pupa or chrysalis. Inside the pupa, the caterpillar undergoes transformation and emerges as an adult butterfly. The adult's role is to mate and lay new eggs, continuing the cycle. The life cycle involves distinct stages of egg, larva (caterpillar), pupa, and adult.
About insect growth and their metamorphosis
This document discusses the growth and metamorphosis of insects. It begins by explaining that all insects develop from eggs and provides examples of different types of eggs. It then describes the process of insect growth, which involves molting and is regulated by hormones like ecdysone and juvenile hormone. The document outlines the main life stages of insects as egg, immature (nymph or larva), and adult. It defines the different types of insect metamorphosis, including no metamorphosis, gradual metamorphosis, and complete metamorphosis. Complete metamorphosis involves distinct life stages of egg, larva, pupa, and adult. The summary provides an overview of the key topics and stages discussed in
ARTHROPODA.pdf
The document discusses the phylum Arthropoda, which includes insects, arachnids, crustaceans, and others. It describes their key characteristics, including a jointed exoskeleton, bilateral symmetry, and bodies divided into segments. Arthropods live in many habitats and have adaptations for respiration, circulation, reproduction, and other functions. The largest class is Insecta, including over 750,000 species, while other classes include crustaceans, centipedes, millipedes, and arachnids. Common examples of arthropods from each class are also provided.
Summarize the main characteristic of insectsSolution1.Insects .pdf
Summarize the main characteristic of insects
Solution
1.Insects are cold blooded and have six legs, 3 main body parts and an exoskeleton.
2. Insects lay eggs and many have four wings.
3.Insects have a tough defensive mechanism known as exoskeleton. Because they lack
backbones, they are invertebrates.
4.An insect\'s body has three major body elements, inclusive of a head, thorax and stomach.
5.Insects can live on land, inside the water or both. Most insects have antennae that permit them
to the touch, flavor, pay attention and smell. These antennae assist them for meals and danger
from predators.
6.Some bugs undergo a entire metamorphosis, meaning they grow into completely one of a kind
creatures than they had been in their larval stage. Insects that undergo this change include
butterflies, real flies and beetles.
7.Insects that go through an incomplete metamorphosis appearance very just like adults of the
identical species, most effective smaller. Cockroaches and grasshoppers undergo an incomplete
metamorphosis..
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Presentation1
- 2. are a class within the arthropods that have a chitin as exoskeleton, a three-part body (head, thorax, and abdomen), three pairs of jointed legs, compound eyes, and two antennae. They are among the most diverse group of animals on the planet and include more than a million described species and represent more than half of all known living organisms.
- 3. The number of extant species is estimated at between six and ten million, and potentially represent over 90% of the differing metazoan life forms on Earth. Insects may be found in nearly all environments, although only a small number of species occur in the oceans, a habitat dominated by another arthropod group, the crustaceans.
- 6. Most insects begin life as an egg. When an insect has developed fully, the insect inside of the egg will break out of the shell by chewing the covering or expanding and contracting its muscles to break the shell. This usually happens seven to 10 days after the egg is laid. These insects then progress through the life cycle stages, often ending up looking far different than they did at birth.
- 8. The larvae stage is the second part of the complex developmental life cycle. Insects that undergo a dramatic transformation from birth until they reach adulthood develop partially during the larvae process. They always appears like worms or small caterpillars. The shedding of the exoskeleton during the larvae stage occurs from three to six times, with the insects growing larger each time.
- 13. PREPARED BY: JEYSON J. CUBOL 2 ND YEAR BS- BOILOGY