What is an asteroid?
a. dust and small rock orbiting around the sun
b. a ball of ice with a tail
c. a small planet
d. a small sun with weak solar emissions
e. more than one of these
C
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Microtubules and microfilaments are said to be "dynamic" elements of the cytoskeleton. In this case, dynamic means that:
A. once individual microfilaments and microtubules have formed they can change shape and move around inside the cell. B. they are constantly changing and are never in the same place for very long. C. microtubules and microfilaments are assembled and disassembled and then reassembled again in a regulated manner.
Reef-building polyps get their sugars from
mutualistic
a. green algae. b. cyanobacteria. c. dinoflagellates. d. euglenoids. e. planarians
The carrying capacity refers to the
A) minimum amount of resources needed to sustain a finite population with zero population growth. B) maximum sustainable population size for the prevailing environment. C) minimum number of individuals in a population required to assure reproductive success. D) maximum growth rate of a population in which resources are unlimited.
T or F: Depolarization occurs in both the nerve and the muscle
What will be an ideal response?