Refer to the Figure to Interpret the Relative Contribution of Various

Multiple Choice

Refer to the figure to interpret the relative contribution of various risk factors toward the possible local extinction of a species. Which of the following would be most likely to cause the local extinction of a population of kelp with fewer than three individuals?

A) Random changes in birth or death rates
B) Low genetic variation associated with small populations
C) A change in temperature, water quality, or sunlight availability
D) Disadvantages associated with low population density
E) A complex interaction between demographic variation and genetic effects