An increase in the surface temperature of Earth, caused by heat-trapping gases in the atmosphere, is known as
A. the greenhouse effect.
B. the biome effect.
C. bioremediation.
D. desertification.
E. the nursery effect.
A. the greenhouse effect.
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Cell differentiation occurs due to ____
a. unequal cytoplasmic divisions b. the removal of different genes in different cell types c. polarization of the cell d. the presence of the X and/or Y chromosome in the cell e. changes in gene expression in different cell types
Which of the following is not an example of a predator-prey relationship?
a) coyotes feeding on rabbits b) eagles feeding on fish c) deer feeding on a farmer's garden d) bats eating mosquitoes
Adaptations aid in the survival and reproduction of an organism in a particular environment
Indicate whether the statement is true or false
Opsonization is
A) the coating of a pathogen by complement to facilitate phagocytosis. B) the sticking of monocytes to the wall of the blood vessels at the site of infection. C) damage resulting in cell lysis. D) nonspecific leukocyte secretion of toxins onto the surface of virally infected cells. E) phagocyte receptors detecting PAMPs.