Multiple Choice
What is the function of the large sheet-like pectoralis muscles of a bird?
A) It controls flight by the moving the tail
B) It moves the neck
C) It anchors a perching bird's feet
D) It provides the wing upstroke
E) It provides the downstroke of the wing
Correct Answer:

Verified
Correct Answer:
Verified
Q34: Predatory,land-soaring birds have wing types that are
Q35: Which is NOT one of the general
Q36: The geological age when birds first arose
Q37: The _,a group of small feathers on
Q38: Which type of feather disintegrates as it
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
Q42: The major nitrogenous waste excreted by the
Q43: Give some examples of birds with high-lift
Q44: In order to fly,birds must have which