Which of these affects allele frequencies the least?

A) Natural selection

B) Mutation

C) Migration

D) Genetic drift


B) Mutation

Biology & Microbiology

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Small fishes that eat zooplankton are ________

A) primary consumers B) producers C) tertiary consumers D) secondary consumers

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Why do bees visit flowers?

A. To maintain a healthy flower population B. To transfer pollen to the carpel C. To collect food and feed it to their larvae D. To help the plant reproduce

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Which insect functions in the host-to-host transmission of typhus?

A) rat flea B) body louse C) dog tick D) deer tick

Biology & Microbiology

Many advances in modern genetics were achieved by the use of which of the following molds?

a. Saccharomyces cerevisiae b. Agaricus bisporus c. Neuospora crassa d. Candida albicans

Biology & Microbiology