Multiple Choice
When Pacific salmon migrate to freshwater streams to spawn, they bring with them marine nutrients.These nutrients fertilize the freshwater habitats when the salmon dies, improving the habitat for juvenile salmon that hatch several months later.Thus, the density of the migrating salmon affects the ability of the new generation to survive.This is an example of the
A) Allee effect.
B) fecundity effect.
C) survivorship effect.
D) exponential effect.
E) carrying capacity effect.
Correct Answer:
Verified
Correct Answer:
Verified
Q131: A laboratory population of fruit flies in
Q132: A clumped dispersion pattern would most likely
Q133: Suppose the r value for the population
Q134: The maximum number of individuals of a
Q135: Of 150 mice alive at the start
Q137: Advanced fishing technology has made overharvesting of
Q138: Which statement about the South American cane
Q139: A dog has a very large population
Q140: When scientists calculate a per capita birth
Q141: The equation ΔN = (B - D)