Over 90% of all birds are
A) polyandrous.
B) monogamous.
C) viviparous.
D) polygynous.
E) protogynous.
Correct Answer:
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Q24: All birds are
A)territorial.
B)oviparous.
C)monogamous.
D)nest builders.
E)polyandrous.
Q25: A group of eggs laid by a
Q26: Albeit rare,a few bird species are _,in
Q27: In _ birds,the male mates with more
Q28: In many birds,a diverticulum of the esophagus,the
Q30: Some birds are helpless at hatching and
Q31: The eyes of some birds have two
Q32: The voice box of birds is called
Q33: Reduction of turbulence over the wing surface
Q34: The _ of the stomach region of
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