The usual cause of genital herpes is
A. herpes simplex virus type 1.
B. herpes simplex virus type 2.
C. herpes simplex virus type 3.
D. herpes simplex virus type 4.
B.
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The sac fungi are distinguished from all other groups of fungi because their reproductive structures are ________.
A. inside an ascus B. zygospores C. motile D. borne on basidia
Which of the following statements is
CORRECT?
a. A population cannot exceed the carrying capacity even temporarily. b. An organism can occupy more than one trophic level, depending upon the feeding habits of the organism. c. Once populations of organisms become isolated, they remain so by various types of isolation mechanisms. d. The limits of a population are all traced to climatic or physical factors. e. Organisms with different evolutionary backgrounds can occupy the same niche at the same time.
Polyunsaturated fats
a. have fewer hydrogen atoms than do saturated fats. b. are more characteristic of animal fats than plant fats. c. have no double bonds. d. are solid at room temperature. e. are none of these
In which group did the amniotic egg first evolve?
a. amphibians b. birds c. reptiles d. mammals e. frogs