Why is the biodiversity of a tropical rainforest very high?
A) due to high temperatures found year-round
B) due to the low amount of solar irradiance
C) due to the high amount of solar irradiance
D) due to the high levels of nutrients in the soil
C
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As DNA is always double-stranded, RNA is always single-stranded
Indicate whether this statement is true or false.
A species' numbers are so severely reduced that it is in imminent danger of extinction throughout all or a significant
part of its range. This species would be considered:a. extinct. b. extant. c. endangered. d. threatened. e. endemic.
Which of the following is a K-strategist?
A. moths B. grizzly bears C. bacteria D. mosquitoes
Contact of an egg with signal molecules on sperm causes the egg to undergo a brief
A) mitosis. B) membrane depolarization. C) apoptosis. D) vitellogenesis. E) the acrosomal reaction.