8. The copulatory organ of the earthworm is the
(a) penis.
(b) clitellum.
(c) gonopodium.
(d) vestibule.
(b) clitellum.
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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
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
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
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