A rescue effect occurs when:

a. lost genetic variation of a population is restored by immigration
b. genetic variation is maintained by immigration
c. large genetic variation is decreased due to fragmentation
d. lost genetic variation of a population is restored by an invasive species
e. when individuals of different species reproduce


Answer: b. genetic variation is maintained by immigration

Biology & Microbiology

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To prevent a shipwreck, submarines determine where objects are positioned under water using sonar, sound waves

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In Table 12.1, which spore is in a sac and results from the fusion of two nuclei from different strains of the same fungi?

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Biology & Microbiology