The process illustrated in the accompanying figure is known as:
a. humus formation.
b. weathering.
c. cation exchange.
d. soil erosion.
e. salinization.
c
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Charles Darwin noted that the human lineage probably arose out of Africa. Which of the following was most likely the reason behind his hypothesis?
A. Africa has warmer temperatures, which allows for greater diversity. B. Gorillas and chimpanzees, which are the primates most closely related to humans, only live in Africa. C. Africa was the first land mass that was suitable for life. D. This was before the advent of molecular analysis, so Charles Darwin was incorrect. E. None of the answer options are correct.
Synaptic vesicles discharge their contents by exocytosis at the
A. dendrite. B. axon hillock. C. nodes of Ranvier. D. postsynaptic membrane. E. presynaptic membrane.
The statistical test used to determine whether the quantitative allele frequency results of an experiment fall within reasonable limits, or whether the null hypothesis is violated and the measured outcomes are significantly different than those
expected is called the ________. [three words] Fill in the blank(s) with correct word
Resource partitioning is an example of nature's ability to reduce the negative effects of what species interaction?
A. competition B. predator/prey C. parasite/host D. herbivory E. commensalism