Natural selection is regarded as a theory because:

A) other equally acceptable scientific mechanisms for evolution exist.
B) it is a general principle, supported by a wide variety of evidence.
C) it has not been tested.
D) it has been tested and found to be untrue.


Answer: B

Biology & Microbiology

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Four of the following characteristics are required for the life of an individual organism to continue. Which is the

exception?

a. to maintain chemical uniqueness and organization b. to respond to stimuli c. to possess a genetic program to control cell processes d. to reproduce e. to evolve

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HOMOLOGOUS CHROMOSOMES HAVE 2 COPIES OF EACH CHROMOSOME WITH WHAT?

What will be an ideal response?

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Bacterial endospores and fungal endospores are the same thing.

a. true b. false

Biology & Microbiology

Saturated fats are saturated with ________

A) carbon B) nitrogen C) hydrogen D) oxygen

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