The distribution of different organisms over the
surface of the earth
a. offers evidence for evolution.
b. provides evidence for a single center of
evolution.
c. appears to be simply a matter of chance.
d. is not affected by biogeographical features.
e. is primarily the result of human activities.
Answer: a
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Which is not usually true of archaea?
A. They are found as rods, spheres, or spirals. B. They reproduce by binary fission. C. They contain rigid cell walls. D. They are found as single cells. E. They contain peptidoglycan as part of their cell walls.
Pepsinogen catalyzes the hydrolysis of proteins to short polypeptides
____________________ Indicate whether the statement is true or false.
Which kingdom possesses unicellular animal-like species and unicellular plantlike species?
A) Animalia B) Protista C) Fungi D) Plantae
In the Southern Hemisphere, gyres rotate in the ________ direction
Fill in the blank(s) with correct word