horse
No, all sea animals are not mammals. Fishes are not mammals, but dolphins are mammals.
the whale
Toothless mammals are called 'edentate'.
There are no animals that live in Antarctica. Sea mammals and sea birds visit Antarctic'a beaches to breed.
There are no land animals there, but the sea mammals and sea birds that breed on Antarctica's beaches are not necessarily migratory animals.
Animals that have a constant body temperature are called endotherms. They regulate their body temperature internally, regardless of external environmental conditions. Warm-blooded animals like mammals and birds are examples of endotherms.
Sea cows are a group of fully aquatic mammals that live in swamps, rivers, and marine wetlands. These completely herbivorous animals are commonly called Sirenia.
mammals
The open sea surface animals include everything in the pelagic zone. This includes protists, bacterial, fish, reptile and sea mammals.
No animals live on the Antarctic continent. Several types of sea birds and sea mammals come to Antarctica's beaches, however, to breed. Otherwise, these animals live at sea.
No animals live on the Antarctic continent, though several sea birds and sea mammals come to its beaches to breed.
in the sea presumably... plus only mammals can be 'born'. Other animals hatch from eggs.