________ occurs when allele frequencies within a population change randomly because of chance alone

Fill in the blank(s) with correct word


Genetic drift

Biology & Microbiology

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Which statement about protists is true?

a. Protists conduct about one-fourth of the world’s photosynthesis. b. Protists must be converted and cannot be consumed directly. c. Protist pathogens harm plants but not humans. d. Protists serve as primary producers on land.

Biology & Microbiology

Evidence for the three domain system comes from sequencing the rRNA that changes slowly during evolution.

a. true b. false

Biology & Microbiology

A wormlike arthropod with a flattened body

and carnivorous eating habits would be identified as a a. crustacean. b. millipede. c. spider. d. trilobite. e. centipede

Biology & Microbiology

To which group do orangutans belong?

A) Anthropoid monkeys B) Nonanthropoid monkeys C) Anthropoid apes D) Nonanthropoid apes

Biology & Microbiology