An organism's observable traits constitute its _____
a. phenotype
b. variation
c. genotype
d. pedigree
A
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The most common zoonotic disease in the United States is:
A) Lyme disease. B) plague. C) rabies. D) Rocky Mountain spotted fever.
Which of the following amino acids is not one of the 20 common amino acids found in cells?
A) leucine B) isoleucine C) glutamine D) proline E) pyrrolysine
Most octopuses die early in life; those that
survive can live up to 5 years. Octopuses are best characterized by a type __ survivorship curve.
a. I b. II c. III d. more than one of these e. none of these
The “confusion effect” occurs ____
a. when one animal flees a threat and others in the group do the same b. when animals group and present a solid front to predators c. when there is a “selfish herd”
d. in a hierarchal living group e. in the mimicking of another species to escape predation