Besides Darwin, the theory of evolution by means of natural selection was also independently proposed by:

A. Charles Lyell.
B. Karl Popper.
C. Thomas Malthus.
D. Peter Raven.
E. Alfred Wallace.


E

Biology & Microbiology

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When plowing or grazing removes plants and exposes topsoil to wind erosion, the result is often:

a. desertification b. acid rain c. deforestation d. bioaccumulation e. biological magnification

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ADH is also called vasopressin. What functions of vasopressin make this an appropriate name for this hormone?

What will be an ideal response?

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If the population of flowers illustrated in the accompanying Punnett square is in genetic equilibrium, the frequency of

the homozygous dominant genotype in the new generation will be ____. a. p2 b. 2pq c. p2 + q2 d. q2 e. p2 + 2pq

Biology & Microbiology

Gamma radiation ________.

A. is used to sterilize some food products B. has poor penetrating power C. has a longer wavelength than UV radiation D. is a type of nonionizing radiation

Biology & Microbiology