8. The copulatory organ of the earthworm is the

(a) penis.
(b) clitellum.
(c) gonopodium.
(d) vestibule.


(b) clitellum.

Biology & Microbiology

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Four of the five answers listed below can upset genetic equilibrium. Select the exception

a. random mating b. genetic drift c. mutation d. natural selection e. gene flow

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All of the following can contribute to

desertification EXCEPT a. drought. b. overplowing. c. overgrazing. d. natural fertilizer. e. All of these can contribute to desertification

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What fraction of the time will the cross of Aa Bb Cc with Aa Bb Cc produce an offspring of genotype

Aa bb CC? a. 1/64 b. 1/32 c. 3/64 d. 1/16 e. 9/64

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Which of the following would be an indication of kidney failure?

Select one: a. urea in the urine b. salts in the urine c. uric acid in the urine d. large amount of protein in the urine e. dilute urine

Biology & Microbiology