__________ refers to periodic round trips between breeding and non-breeding areas.
A) Migration
B) Immigration
C) Emigration
D) Transmutation
E) Orientation
Correct Answer:
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Q18: The _ of most birds has a
Q19: The wings of a bird function as
Q20: Birds with long tongues include
A)vultures and flamingoes.
B)hummingbirds
Q21: In birds and reptiles,the excretion of _
Q22: When birds fly,increased muscular activity produces large
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
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