Ocean pollution includes all except
a. toxins.
b. heavy metals.
c. dissolved oxygen.
d. oil.
e. PCBs.
C
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Muscular dystrophy is caused by a mutation in dystrophin, and intracellular protein that binds to the cytoskeleton. Dystrophin also binds to __________, which is found in the plasma membrane of the cell and binds the extracellular matrix.
A. a cadherin B. a gap junction C. a tight junction D. an actin filament E. an integrin
If we apply Darwin’s theories to many characteristics that affect survival and reproduction, natural selection would
cause the populations to become more different over time, a process called ____.
a. morphological deviation b. artificial selection c. goal orientation d. evolutionary divergence e. genetic modification
The nerve that leaves the back of each eye is the _______
Fill in the blank(s) with correct word
Dominance, sexual behavior, and territoriality can all be related in song birds. This is because:a
the establishment of a territory by singing tends to reduce conflict. b. the establishment of a territory encourages use of the entire habitat and regulates the size of the breeding area. c. competing species are eliminated. d. only individuals that successfully defend their territory can mate. e. females sing but males do not.