The most accurate DEFINITION of microevolution is
a. heritable change in the genetics of a population.
b. natural selection leading to adaptation.
c. the occurrence of a series of mutation over time.
d. the origin of new species through natural selection.
e. the origin of major new forms of life over time.
A
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Skeletal muscles contract in response to _____
a. acetylcholine (ACh) b. dopamine c. serotonin d. endorphins
Differential survival and reproduction of individuals of a population that vary in the details of shared
traits is called __________. Fill in the blank(s) with the appropriate word(s).
An example of an animal that is a metazoan is a sponge
____________________ Indicate whether the statement is true or false.
If ATP breakdown (hydrolysis) is inhibited, which of the following types of movement across cell membranes is also inhibited?
A) Movement of oxygen into a cell B) Movement of water through aquaporins C) Passage of a solute against its concentration gradient D) Facilitated diffusion of a permeable substance