Explanation:
To swim, they move their tails up and down, rather than back and forth as fishes do. This is because whales evolved from walking land mammals whose backbones did not naturally bend side to side, but up and down. ... Whales do the same thing as they swim, showing their ancient terrestrial heritage.
Cetaceans are fully aquatic marine mammals belonging to the order Artiodactyla, and branched off from other artiodactyls around 50 mya (million years ago). Cetaceans are thought to have evolved during the Eocene or earlier, sharing a closest common ancestor with hippopotamuses.
This is because of B. Their cells are in direct contact with the environment.
The official term is a megaflash :)
Answer:
1. they come mainly in 2 parts (Felis catus is for a domestic cat) = all in the binomal naming system format
2. they are all in the same language so anyone in the world can interpret what animal it is= latin
3. genus and species= this means that the first scientific name (ie Felis) is the genus and Catus is the species of the feline organisms
Explanation:
It is probably the type of environment they live in
