Claim: Whales evolved from land mammals to water mammals.
Evidence: The first whales evolved over 50 million years. One of the first whales, such as Pakicetus, were land animals with long skulls and carnivorous teeth, much like many adaptable land mammals back then and today.
club mosses mosses ferns horsetails.
Cells are usually what teachers teach as the “building blocks” of life.
hope that helps :)
