Consider the phylogenetic tree. A phylogenetic tree is shown. The root of the tree is dinosaurs and birds. The branches are crocodiles, primates, amphibians, ray-finned fish, and shark. Which two organisms are most closely related, based on the tree above? ray-finned fishes and sharks rodents and primates dinosaurs and crocodiles dinosaurs and birds

Dinosaurs and birds are considered as the most closely related species to one another because they are evolved from a common ancestor. They show resemblance in many ways such as physical structure, both dinosaurs and birds moves on two feets etc. In phylogenetic tree, dinosaurs and birds are the roots from which other organism evolved. So that's why dinosaurs and birds are considered the most closely related species living on earth.

luisvaschetto luisvaschetto · Answer 2 · 2022-02-02T12:54:29+01:00

The organisms that are most closely related (based on the tree above described) are dinosaurs and birds.

Evolution and phylogenetic trees

Evolution refers to the natural process of descendence with modification, which is mainly due to natural selection.

Evolution leads to speciation, thereby species are related and they show evolutionary relationships.

A phylogenetic tree is a diagram that represents evolutionary relationships between species that share a common ancestor.

In conclusion, the organisms that are most closely related (based on the tree above described) are dinosaurs and birds.

Learn more about phylogenetic trees here:

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