Question

Who is more closely related? The birds and mammals or the birds and perch?

What do the birds, perch, and mammals have in common?


Is the lizard more closely related to the lungfish or to mammals?

Answer 1

1) Birds are not mammals; birds belong to the class Aves and are more closely related to reptiles than to mammals. Mammals belong to the class Mammalia. Birds are the only living animals to have feathers, whereas mammals are the only animals to have hair.

2)The answer to what birds and mammals share which characteristic is being warm-blooded and vertebrates. These are only the primary things these two species have in common.

3)No, reptiles aren't mammals. They're a category of animals that includes lizards, snakes, alligators, and crocodiles. Our first records of these creatures date back 315 million years to fossils from the Paleozoic era.