During the __________ epoch, the mammals experienced an explosive adaptive radiation
a. Holocene
b. Paleocene
c. Pleistocene
d. Eocene
e. Pliocene
B
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A trait with a heritability value of 0.75 indicates that 75% of the phenotypic variability seen in the population is caused by ____ of the population
a. genetic differences b. environmental differences c. concordance d. epigenetic effects e. the equal contribution of the genotype and the environment
Which molecules coat the inside of the cytosolic membrane to help form endocytic vesicles?
a. clathrins b. cholesterols c. antibodies d. aquaporins e. microtubules
Fever enhances an immune response by ____
a. decreasing the rate of enzyme activity b. increasing phagocytosis of invading pathogens c. reducing blood flow to the site of infection d. decreasing the reproduction rate of microorganisms e. increasing heart rate and respiration
Which of the following would support the hypothesis that bacteria have mutually beneficial relationships with us?
A) Bacteria can metabolize food using alternate pathways. B) Most intestinal bacteria cannot live outside the body. C) Bacteria derive benefit from waste materials in our intestines. D) Mice that were made "germ free" did not absorb and metabolize nutrients as well.