Search Results for: Fresh aquatic invertebrates
functions, such as sensory perception, generation of motor commands, spatial reasoning, and in humans, language and conscious thought. this brain region is unique to mammals (as is a single bone in the lower jaw, and the prehepatic diaphragm, mentioned above). most mammals are terrestrial, but some are aquatic
, including sirenia (manatees and dugongs) and the cetaceans. whales are the largest of all animals. there are semi-aquatic species, such as seals , which come to land to breed but spend most of the time in water. most cetaceans live in salt water, but there are some dolphin species that live in fresh...
https://www.newworldencyclopedia.org/entry/Mammal