Marine mammals have the same characteristics as all other mammals, but they have adapted to living all or part of their life in the ocean. Many have streamlined bodies to help them swim faster.
What are the unique characteristics of marine animals?
These animals have gills as respiratory organs, which is a key characteristic for any aquatic animal. The streamlined shape of sea animals is an adaptation for swimming in water. Most sea animals have gills that enable them to use oxygen dissolved in water for breathing.
What are the four types of marine animals?
– cetaceans – whales, dolphins, and porpoises,
– pinnipeds – seals, sea lions, and walruses,
– sirenians – manatees and dugongs, and.
– marine fissipeds – polar bears and sea otters.
What are marine mammal adaptations that make them unique to mammals?
Below are some other marine mammal adaptations for living in the ocean. (fins or flippers) to swim fast through water. High levels of hemoglobin and myoglobin store extra oxygen in blood and muscles while diving. Exhale prior to diving to tolerate pressure changes by removing air from their body.
What are two ways that marine mammals differ from terrestrial mammals?
The diving reflex is stronger in marine than terrestrial mammals to allow for long dives. Elephant seals have a very strong dive response, and they can stay underwater for more than an hour. They are also helped by a high myoglobin content and a large blood volume (◘ Table 3).Jan 1, 2023
Is a elephant a mammal yes or no?
Elephants are the largest land mammals on earth and have distinctly massive bodies, large ears, and long trunks.
Is an elephant the only mammal with a trunk?
Aside from a couple of less-extreme exceptions, such as with tapirs, elephant trunks are an appendage unlike anything else in the animal kingdom.
Which animal has trunk like an elephant?
An anteater?” No, the tapir is a primitive animal that has remained unchanged for millions of years. Most closely related to horses and rhinos, tapirs have a nose and upper lip combined into a flexible snout like an elephant’s trunk, which they use to reach and pull plant material into the mouth.
Is an elephant a reptile or mammal?
Elephants are the world’s largest land mammal. They’re warm-blooded vertebrates that nurse their young with milk produced by mammary glands, and they’re hairy creatures (the hairs are just small and sparse, so they don’t look furry). That means they fulfil all the requirements to be mammals.
