Rods and cones are located in the

a. lens.
b. cornea.
c. pupil.
d. iris.
e. retina.


Answer: e

Biology & Microbiology

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A gene locus is

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How many years did it take for the population to go from 1 billion to 7 billion?

a. 100 b. 200 c. 1,000

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Although whole-genome duplications that result in polyploidy are fairly common in plant species, which of the following are common in other eukaryotes?

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