In thcasstudy of reindeer introducein Alaska in 1944 (29 individuals) , after reaching a peak growth (6,000 individuals) in 1963, thentirpopulation was wipeaway by thharsh winter that took placbetween 1963 an1964.In this case, extinction of thpopulation was
A) a density-dependent factor.
B) an intrinsic limiting factor.
C) density-independent.
D) a consequence of exponential growth.
E) all of these.
Correct Answer:
Verified
Q30: Limiting factors
A) produce more pronounced effects as
Q41: As population density increases, thchancof _ also
Q42: Which density-dependent factor controls thsizof a population?
A)wind
Q43: Thmaximunumber of individuals of a species that
Q44: Which of thfollowing describes a set of
Q45: In itself, a floothat washes away an
Q47: Thcarrying capacity of an environment is determineby
A)the
Q48: In ecosystems, thfactors that tento reducthsizof sompopulations,
Q49: Which of thfollowing is NOT a density-dependent,
Q51: In natural communities, somfeedback mechanisms operatwhenever populations
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