According to Darwin, fitness is a measure of

A. survival.
B. differential reproduction.
C. survival and differential reproduction.
D. migration ability.
E. genetic mutation rates.


C

Biology & Microbiology

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The conditions normally present in food such as moisture, acidity and nutrients are referred to as

A. extrinsic factors. B. intrinsic factors. C. endogenous factors. D. exogenous factors

Biology & Microbiology

Ribbon worms belong to the phylum:

a. Nemertea. b. Platyhelminthes. c. Arthropoda. d. Ctenophora. e. Cnidaria.

Biology & Microbiology

Sandpipers are known to: a. be territorial of their beaches

b. feed on worms and fish. c. be very solitary birds. d. make long annual migrations.

Biology & Microbiology

The first and second lines of defense respond to invading microbes by (specific/nonspecific) mechanisms

What will be an ideal response?

Biology & Microbiology