Definition of float in the AudioEnglish.org Dictionary. Meaning of float. What does float mean? Proper usage and pronunciation (in phonetic transcription) of the word float. Information about float in the AudioEnglish.org dictionary, synonyms and antonyms.
Mammals evolved from a group of mammal-like reptiles called the Synapsids, specifically the Therapsids, in the Triassic period, around 250 million years ago.
Some aquatic mammals - seals and polar bears for instance - go ashore to breed ... Many aquatic mammals are hunted commercially for their meat, blubber, or fur. & The evolution of mammals within the synopsised lineage (mammal-like reptiles) was a gradual process that took approximately 70 million years, beginning in the mid-Permian. & Aquatic mammals are able to keep their body temperatures more or less constant ...