Which of the following is NOT density-independent?
a. floods
b. earthquakes
c. tornadoes
d. volcanic eruptions
e. disease
E
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Imagine that sexual reproduction could occur between hyphae that were the same mating type. How might this affect the population of one species of fungus?
A. The frequency of sexual reproduction would be higher. B. The frequency of sexual reproduction would be lower. C. The frequency of sexual reproduction would remain the same.
What is the function of a fish's operculum?
A) Detects biofields in the immediate vicinity B) Detects movements in the surrounding water C) Protects the gills D) Provides buoyancy
In which phase of meiosis does the chromosomal alignment tke place?
A) Prophase I B) Prophase II C) Metaphase I D) Metaphase II
Plant cells are protected from the harmful effects of excessive light energy and reactive oxidative molecules by
A) mitochondria. B) chlorophyll. C) carotenoids. D) ATP.