3) Which one of the following factors generally causes the quickest loss of species diversity within an
individual ecosystem?
A) Over-harvesting
B) Habitat loss
C) Introduced species
D) Pollution

A) Habitat loss

Explanation: While all four options are viable, habitat loss decreases biodiversity the fastest.

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in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: