All of the following statements concerning birds are true EXCEPT
A) birds have small,relatively under-developed brains.
B) some birds do not have the ability to fly.
C) birds have acute vision.
D) birds use the sun,stars,and the Earth's magnetic field to guide them.
Correct Answer:
Verified
Q20: Sharks
A)lack bony skeletons.
B)have dermal denticles.
C)have a keen
Q21: Mammals are different from birds in all
Q22: Generally the respiratory system in birds
A)is identical
Q23: Based on molecular data and skull features,what
Q24: Which of the following groups had made
Q26: Several lineages of reptiles evolved from a
Q27: Lungless salamanders lack lungs and breathe through
Q28: The amphibians' common receptacle for the urinary,genital,and
Q29: The mammal-like reptiles that gave rise to
Q30: Which of these characteristics first developed in
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