As a result of a severe disturbance, a community will ________
A) not be repopulated
B) be replaced by organisms in random order
C) not change
D) undergo succession
D
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Which components of the cytoskeleton allow the cell to resist damage from stretching forces?
a. microfilaments and microtubules b. intermediate filaments and microtubules c. microfilaments and intermediate filaments d. only intermediate filaments
Which of the following is a characteristic of K-selected species?
a. Adapting to stable environments b. Having a high number of offspring c. Offering minimal parental care d. Providing no resources to their offspring
Which of the following supports development/maintenance of a polygynous system?
A. The female(s) control access to resources and maintain multiple mini-territories. B. Males and females form groups based on non-mating hierarchies and social contexts. C. The females(s) aggregate for communal offspring care, and the male(s) exploit these groupings for reproductive pursuits. D. Breeding success is low without combined efforts by more than one individual.
Rapid inward diffusion of Na+ produces a dramatic change in membrane potential. What is this event called?
A. Depolarization B. Excitatory postsynaptic potential C. Saltatory conduction D. Monosynaptic reflex E. Hyperpolarization