Which diagram shows how groups of organisms may be related?

Answer 1

Apex is Mergus serrator and Mergus merganser.

Answer 2

If different organisms are closely related, they will share features such as bone structure. For example, bats,, whales, and humans are all related (we're all mammals). If you look at the bones of a bat wing, a whale flipper, an arm, you see that the skeletons all look alike, with one long upper bone connected to two smaller lower are bones. These are called homologous structures. Even though these appendages are used for different purposes (flying, swimming, running, etc.), they all share similar architecture, strongly suggesting that they all had a common ancestor.

Answer 3

If they warm/cold-blooded.

If they have a backbone (vertebrates).

If their bones are on the inside or outside (exoskeleton).

Answer 4

phylogenetic tree

Answer 5

phylogenetic

Answer 6

branching tree