Manatees
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Manatees are giant, warm-blooded marine mammals that live in shallow waters like rivers and inlets. They have flippers and a tail and need to surface every 15-30 minutes to breathe air. Manatees eat underwater plants and are often found grazing in groups in warm waters like Florida. The biggest threat to manatees is humans, as they are often injured or killed by boat propellers due to their slow movement.
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- They have low reproductive rates, with females giving birth to one calf every 2.5-7 years after a 13-14 month gestation period.
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This report provides an overview of manatees including their diet, habitat, appearance, reproduction, statistics on population, and efforts to save the endangered species. Manatees are herbivorous marine mammals that live in warm coastal waters around the world. They face threats of habitat loss, water pollution like red tide algae blooms, and boat collisions. Conservation efforts aim to protect manatees and reverse declining populations through captive breeding programs and public education.
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The document discusses efforts to protect the endangered Florida manatee while allowing for boat traffic. It notes that manatees are still being injured and killed by boat collisions, with over 80 deaths last year attributed to boats. It suggests that more can be done to educate boaters through improved signage and enforcing slower speed limits. Compromise is needed to further safeguard manatees while recognizing boaters' access to waters.
Manatee
The manatee is an endangered marine mammal found in coastal areas and rivers. There are three living species that inhabit the Amazon River, West Indies, and West Africa. Human activities like boat strikes and pollution are threatening manatee populations. Efforts are needed to clean up habitats, educate people, and prevent manatee injuries and deaths to help protect these gentle herbivores.
Steller's sea cow
The Steller's sea cow was a large, slow-moving sea mammal that grew up to 23 tons and fed on kelp and sea grasses. It inhabited coastal waters near rivers in the North Pacific, often spending hours resting or feeding underwater. The species was rapidly hunted to extinction by the late 18th century for its meat, milk, and hide within 27 years of being discovered by Europeans. Overhunting and loss of habitat contributed to its demise, making it one of the few large mammals ever to be driven to extinction by human activity so soon after being documented by science.
Manatees
Manatees are grayish brown sea cows that inhabit warm tropical waters. They have streamlined bodies with paddle-shaped tails and small fins used for steering. Manatees are herbivores that feed on sea grass and algae. Females give birth to a single calf every 2 to 5 years and nurse their young for 2 years. While excellent swimmers, manatees can only dive down around 10 feet and must surface frequently to breathe.
Steller's sea cow
Steller's sea cow (Hydrodamalis gigas) was a large sirenian mammal that was once abundant throughout the North Pacific but was limited to the Commander Islands by 1741. Within 27 years of being discovered by Europeans, the slow moving sea cow was hunted to extinction for food and oil. It grew up to 8 meters long, looked like a large seal but had forelimbs and a whale-like tail. It lived in the water and fed on kelp. The sole remaining population was on the Commander Islands and was easily hunted to extinction for its meat and fat within 27 years of European contact.
Manatees 1
Manatees are mammals that live in warm ocean waters and eat freshwater plants. They are endangered due to injuries and deaths caused by boat propellers and collisions with hulls. Efforts to help manatees include passing laws in Florida to protect them, as manatee deaths in Florida reached a sad record high of 429. Manatees live in oceans worldwide but prefer warm freshwater and must seek out warm areas in winter to avoid freezing.
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This document outlines a two-week unit plan for a 2nd grade Atlantic Ocean integrated thematic unit. Week 1 focuses on learning about the Atlantic Ocean through videos, websites and discussions. Week 2 has students work in teams to create a mural and soundtrack depicting key elements of the Atlantic Ocean, which they will present to their school. Assessments include daily ocean journals and the culminating art project. The unit utilizes technology resources and aims to help students learn through visualization, interaction, simulation and research.
Marine mammals
Pinnipeds include three groups: sea lions, seals, and walruses. Sea lions are found along northern Pacific coasts and southern coasts of Africa, Australia, and South America with 14 species that can reach 230 cm and 1000 kg. They differ from seals in having small ear flaps and using front flippers to move. Most of the 18 seal species live in southern and northern polar waters except for one freshwater species in Lake Baikal up to 5m and 2400 kg using side to side strokes of hind flippers. Walruses inhabit Arctic and sub-Arctic oceans up to 3m and 1700 kg with a 4cm thick fatty blubber layer, distinguished by their large
Manatee fact sheet
Manatees are large, slow-moving aquatic mammals that inhabit coastal waters and rivers. They can grow up to 13 feet long and weigh over 1,300 pounds. Despite their massive size, manatees are graceful swimmers that typically glide at 5 miles per hour but can burst up to 15 miles per hour. Manatees give birth underwater and mothers help their calves reach the surface for their first breath. Manatees are herbivores that consume large amounts of water plants. They are classified as endangered due to hunting and accidental collisions with boats.
Odontocetis
O documento descreve a subordem Odontoceti, que inclui golfinhos, botos e baleias dentadas. Ele discute suas caracterĂsticas morfolĂłgicas externas e internas, sistemas como o respiratĂłrio e digestivo, adaptações ao meio marinho, reprodução e principais representantes como orcas, cachalotes e baleias-bicudas.
Other marine mammals
This document summarizes various orders of marine mammals, including pinnipeds (seals, sea lions, walruses), polar bears, sea otters, sirenians (manatees and dugongs) and the protections provided by the Marine Mammal Protection Act. It describes their physical characteristics, behaviors, habitats and populations, noting that some were previously overhunted but are now protected by law.
Hammerhead sharks
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Introduction to Marine Mammals_Mridula Srinivasan_2013
This document provides an introduction to marine mammals with a focus on species found in India. It discusses the basics of what defines marine mammals, their unique adaptations for living both on land and sea. The document categorizes marine mammals into different taxonomic groups including cetaceans (whales and dolphins), sirenians (manatees and dugongs), pinnipeds (seals, sea lions and walrus), polar bears and sea otters. Specific information is provided on the different cetacean families found worldwide and in Indian waters. The presentation concludes with a discussion on methods for studying marine mammals in the wild, including photo identification and acoustic tracking.
marine mammals ,Farhankhan pathan
This document summarizes information about marine mammals. It defines marine mammals as mammals that live and feed in the marine environment, such as seals, whales, dolphins, and polar bears. The document then groups marine mammals into categories based on their characteristics and adaptations: cetaceans (whales, dolphins and porpoises), sirenians (manatees and dugongs), pinnipeds (seals, sea lions and walruses), and fissipeds (polar bears and sea otters). It describes their worldwide distribution and discusses threats they face like exploitation, bycatch, vessel strikes, pollution, habitat loss, and climate change. Conservation efforts are needed to protect these mammals.
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Manta rays are large rays found in warm tropical and temperate waters around the world, particularly near coral reefs. They can live in both saltwater and freshwater environments. Manta rays feed mainly on plankton and small fish near the surface but will dive deeper if food is scarce. While increased water temperatures due to climate change have expanded manta rays' habitat by allowing them to dive deeper, rising heat can also negatively impact them by drying up lagoons and lakes where they live. Manta rays generally do not harm humans but are sometimes hunted for their meat and oils.
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The document discusses the characteristics, types, habitats, behaviors, threats and other aspects of manatees. It describes how there are three main types of manatees found in warm tropical waters around the world. The document provides details on manatee anatomy, feeding habits, reproduction, communication, and threats they face such as habitat loss, hunting, and collisions with boats.
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This document describes 15 different vertebrate species, including their physical characteristics, habitats, diets, and taxonomic classifications. The species described represent the five vertebrate classes: Agnatha (hagfish, sea lamprey), Chondrichthyes (great white shark, stingray), Osteichthyes (gramma, seahorse), Amphibia (poison dart frog, newt), Reptilia (alligator, komodo dragon), Aves (flamingo, penguin), and Mammalia (dolphin, giraffe, polar bear). Each entry provides 2-4 key details about the species.
West indian manatee by alex s.
The manatee is a large, grey or brown aquatic mammal that lives in coastal waters, rivers, and bays. They can weigh up to 3,000 pounds and feed on sea grasses, though their diet sometimes includes small invertebrates and fish. Manatees are threatened by collisions with boats, whose propellers can injure or kill them, since their hearing does not allow them to detect oncoming vessels. They play an important ecological role by eating various sea grasses, which helps maintain seagrass bed and fishery habitats. Conservation efforts aim to help manatees by reducing boat strikes through noise-detecting devices.
Manatees
Manatees are mammals that live in warm ocean waters and eat freshwater plants. They are endangered due to injuries and deaths caused by boat propellers and collisions with hulls. Efforts to help manatees include passing laws in Florida to protect them, as manatee deaths in Florida reached a sad record high of 429. Manatees live in oceans worldwide but prefer warm freshwater habitats, moving during winter to avoid temperatures below 39 degrees Fahrenheit.
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You have heard wonderful tales about manatees. Now, you are more curious than ever. You want to know more about these amazing sea cows and are planning a manatee tour. Learn more at Captain Mike's Swimming with the Manatees.
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This document provides descriptions of various ocean creatures from A to Z. It describes their physical characteristics such as size, coloration, habitats and behaviors. For example, it notes that angel fish are orange and white and small, clown fish live in anemones and help clean them, and jellyfish are some of the oldest living organisms at over 650 million years old. The document aims to inform the reader about the diversity of life that exists in the oceans.
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The document discusses different types of sharks found around the world. It describes the white shark as the largest and most powerful marine predator found in all oceans. It also notes that the whale shark is the largest fish, reaching sizes of up to 7 meters. Additionally, it provides details on hammerhead sharks, tiger sharks, bull sharks, blacktip sharks, gray sharks, oceanic white-tailed sharks, basking sharks, dogfish, lemon sharks, Port Jackson sharks, leopard sharks, and sarda sharks.
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Desert
The North American deserts are located east of mountain ranges where moisture-laden winds drop their precipitation on the western slopes, creating rain shadows. These include the Sierra Nevada mountains, which block moisture from reaching deserts. North American deserts experience large temperature ranges from 20-110 degrees Fahrenheit but are generally dry, receiving less than 10 inches of annual precipitation. Vegetation and animals are limited by the arid conditions and low-nutrient soils. Common plant adaptations include shallow, widespread roots and fleshy stems for water storage. Many reptiles, including rattlesnakes, lizards and tortoises, are well-adapted to the desert climate through behaviors like burrowing and crepuscular activity patterns. After rare
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Sharks are a surprisingly diverse group of creatures and define them is not as easy as it sounds. Although all are fish, they differ greatly in their body shape, size, habitat, behavior and diet. Many of them look nothing like the animals.
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Sea otters live along the Pacific coast of North America and use their flippers to swim. They eat various marine animals like octopi and shells. Sea otter mothers carry their young on their backs and will leave babies alone if they have multiple offspring. Humans historically threatened sea otters through hunting but laws now protect them, though pollution and oil spills remain dangers.
Manatee
Manatees live in seas, rivers, and streams, eating various water plants. They have flippers and tails adapted for swimming. Manatees are generally slow moving and gentle, feeding on vegetation. Sailors once mistook them for mermaids. They make sounds like squeaks and screams when playing. Without fins and tails, manatees would drown, unable to swim. If deprived of water, they would dry up and die.
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Dolphins are social mammals that live in oceans and seas around the world. They have smooth, gray skin and torpedo-shaped bodies that allow them to efficiently glide through water. Dolphins breathe air, communicate using sounds, and hunt for fish and squid using echolocation. They live in pods and care for their young. Dolphins face threats from habitat loss, pollution and getting caught in fishing nets.
Explanation by ni ta amalia dolpin
Dolphins are social mammals that live in oceans and seas around the world. They have smooth, gray skin and torpedo-shaped bodies that allow them to efficiently glide through water. Dolphins breathe air, communicate using sounds, and hunt for fish and shrimp using echolocation. Though sensitive to temperature changes, dolphins can be found in both tropical and cold waters. They live in social groups, give birth to live calves, and have lifespans around 20 years. Dolphins are an engaging animal that interact closely with humans.
Explanation by ni ta amalia dolpin
Dolphins are social mammals that live in oceans and seas around the world. They have smooth, gray skin and torpedo-shaped bodies that allow them to efficiently glide through water. Dolphins breathe air, communicate using sounds, and hunt for fish and squid using echolocation. They live in pods and care for their young. Dolphins face threats from habitat loss, pollution and accidental catching in fishing nets.
Sea horses
Sea horses are small fish that live in shallow coastal waters around the world. They have bony plates instead of scales and can change color to camouflage themselves. Male seahorses carry fertilized eggs in a brood pouch until the babies are fully developed. There are over 40 species of seahorses that live in habitats like coral reefs, sea grass beds, and kelp forests, where they eat small crustaceans. Their prehensile tails allow them to grip seaweed and avoid being swept away by currents.
Fishy Facts
The document discusses various ocean lifeforms including anemones, crabs, dolphins, eels, fish, greymoray eels, hermit crabs, jellyfish, killer whales, lobsters, mussels, nautilus, squid, underwater volcanoes, violet jellyfish, whales, x-ray fish, yellow-finned tuna, and zoo plankton. It describes some of their key characteristics such as anemones feeding on plankton, crabs having an exoskeleton, dolphins living in pods, eels being slimy, fish needing to be caught after breeding size, and whales coming in many varieties. The document aims to educate about ocean biodiversity.
Whale shark
Whale Shark The largest of all sharks and the largest living fish, the whale shark is one of the most dramatic views of the ocean. Its large size, distinctive patterns and its enormous mouth make it instantly recognizable and can be commonly seen wandering near the surface in tropical and subtropical waters around the world. Their diet is based mainly on plankton, but also regularly feed on small schooling fish and squid. Unlike basking sharks, which simply filter vast amounts of water as they swim, whale sharks actively suck their prey before filtering efficiently and are sometimes seen in groups, feeding on high concentrations of food. Regularly appear in the same places at specific times of the year, probably to capitalize on plankton blooms and events such as coral spawning.
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