The Geological Age When Birds First Arose Is Called ____________

Q31: Why have birds not evolved a wing

Q32: Evidence indicates that birds are the sister

Q33: Discuss the derived characters shared by birds

Q34: Predatory,land-soaring birds have wing types that are

Q35: Which is NOT one of the general

Q37: The _,a group of small feathers on

Q38: Which type of feather disintegrates as it

Q39: What is the function of the large

Q40: Archaeopteryx is<br>A)an extinct "bird-like" dinosaur.<br>B)an insect-eating bird

Q41: Many insects,most birds,a few nonavian reptiles such