Biology - Quiz 20 (7.1) Birds

Question 1

organ that grinds food (match)

Answer 1

gizzard

Question 2

the most important flight muscle (match)

Answer 2

pectoral

Question 3

sac in the esophagus that stores and moistens food (match)

Answer 3

crop

Question 4

retractable group of feathers on the front of a bird’s wing (match)

Answer 4

alula

Question 5

soft and fluffy feathers (match)

Answer 5

down

Question 6

this type of eyesight provides hunting birds with the ability to focus both eyes on one object (s.a.)

Answer 6

binocular vision

Question 7

the tiny tubes that allow air to flow through a bird’s lungs (s.a.)

Answer 7

capillaries

Question 8

to move each breath through the respiratory system, a bird must inhale and exhale how many times? (s.a.)

Answer 8

two

Question 9

birds’ toothless bills are made of this (s.a.)

Answer 9

keratin

Question 10

the special structure that has oil a bird uses to waterproof its feathers (s.a.)

Answer 10

preen gland