Cosmopolitan distribution - Wikipedia The extreme opposite of a cosmopolitan species is an endemic (native) species, or one found only in a single geographical location Endemism usually results in organisms with specific adaptations to one particular climate or region, and the species would likely face challenges if placed in a different environment
Learn About Marine Mammals | The Marine Mammal Center There are five groups of marine mammals: pinnipeds (or “flipper-footed” animals like seals, sea lions, fur seals and walruses), cetaceans (species that cannot survive on land, such as whales, dolphins and porpoises), sea otters (the smallest marine mammal), sirenians (warm water species such as dugongs and manatees) and polar bears (which depend on the ocean for a majority of their food)
Shrew - Wikipedia All shrews are tiny, most no larger than a mouse The largest species is the Asian house shrew (Suncus murinus) of tropical Asia, which is about 15 cm (6 in) long and weighs around 100 g (3 + 1 ⁄ 2 oz) [2] The Etruscan shrew (Suncus etruscus), at about 3 5 cm (1 + 3 ⁄ 8 in) and 1 8 grams (28 grains), is the smallest known living terrestrial mammal
African Elephant | Species | WWF - World Wildlife Fund The African Elephant population that once showed promising signs of recovery, could be at risk due to the recent surge in poaching for the illegal ivory trade Learn more about the African elephant, as well as the threats this species faces, what WWF is doing to protect its future, and how you can help
Structures Adaptations To Marine Living ~ MarineBio . . . There are at least 30,000 species of gastropods and it is the largest taxonomic class The chitons are the most primitive animals in the Phylum Mollusca Every chiton shell is made so that it will fit together and bend Chitons live only in marine environments and are also recognizable by the eight plates that overlap on their back