Traditionally, most ecologists have assumed that community stability is a consequence of:
a. competition.
b. predation.
c. community complexity.
d. the relative size of realized niches among species.
e. disease.
c
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Most mineral ions that plants need are moved into the ____
a. symplast via active transport b. transmembrane pathway via bulk flow c. apoplast via facilitated diffusion d. symplast via facilitated diffusion e. the apoplast via bulk flow
What is considered to be the limiting factor for the rare, lobefin coelacanth?
a. Depth b. Temperature c. Prey d. Habitat
Microbes in a biofilm use quorum sensing to
A. attach to surfaces. B. assess the size of a particular microbial population. C. transfer genetic material among individual cells. D. inactivate antibiotic molecules.
Muscle fibers are ____ when you are looking at something far away
Fill in the blank(s) with the appropriate word(s).