If a fossil is that of an animal that walked on
all four legs, which of the following would be
the defining feature?
a. an S-shaped backbone
b. narrow pelvis
c. long pelvis
d. opening located at rear of its skull
e. a small brain
D
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Which of the following are characteristics of Archaeopteryx lithographica? Check all that apply.
_____ a beak with teeth _____ a small, reptilian breastbone _____ claws _____ feathers on its wings _____ a tail with few vertebrae
The pressure of the oceans increases by one atmosphere for every ____ meter increase in depth
a. 5 b. 10 c. 15 d. 20 e. 25
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A. 2 B. 10 C. 25 D. 50
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A) chemical . . . food . . . light B) nuclear . . . light . . . food C) food . . . light . . . chemical D) food . . . light . . . nuclear E) light . . . food . . . kinetic