Patchiness of the soft-bottom benthos is a result of:
a. uneven distribution of food.
b. uneven distribution of sediments on the bottom.
c. low concentrations of nutrients on the bottom.
d. uneven distribution of predators.
B
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Smaller prokaryotic cells generally grow faster than larger ones due to a higher surface-area-to-volume ratio
Indicate whether the statement is true or false.
Gases enter and leave a mammal's body by diffusing across a:
a. membrane made up of multiple cell layers b. hard exoskeleton c. thin, moist membrane d. set of gills e. protective layer of thick cells
Which describes genetic information prior to the beginning of mitosis?
A. centrioles B. chromatin C. centromere D. chromosomes
Fluorescent antibody, ELISA, and immunoblotting tests involve the use of (hybridoma/labeled/unlabeled) antibodies.
Fill in the blank(s) with the appropriate word(s).