Species that are the first to colonize an area are termed species.
A. primary
B. tertiary
C. secondary
D. pioneer
E. keystone
D. pioneer
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Which of the following is most often used as a starter culture for the production of cheese?
A. Rennet B. Saccharomyces species C. Aspergillus species D. Lactobacillus species
In 1987, countries worldwide agreed to phase the production of ____________, once a major ozone destroyer, to reduce ozone layer thinning.
Fill in the blank(s) with the appropriate word(s).
Sepals are:
A) pollen receptacles on a carpel. B) leaf-like structures that protect a flower before it opens. C) insect-attracting structures of the flower. D) pollen-producing structures.
Which cytoskeletal proteins are important constituents of the contractile structures that form the cleavage furrows involved in animal cell cytokinesis?
A) actin B) dynein C) tubulin D) myosin