Daily and seasonal fluctuations in temperature, salinity, and dissolved gases are most extreme in
A) the intertidal zone.
B) sandy beaches.
C) the estuary.
D) the open ocean.
C
Biology & Microbiology
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The ability to isolate and produce many copies of specific ____________________ molecules had a great impact on many areas of genetic research
Fill in the blank(s) with correct word
Biology & Microbiology
Xylem tissue may contain each of these cell types, except which?
A. rays B. fibers C. tracheids D. sieve cells E. vessel members
Biology & Microbiology
The defense response triggered by the mixing of two incompatible blood types is called
a. coagulation. b. agglutination. c. dehydration. d. phagocytosis. e. opsonization.
Biology & Microbiology
In invertebrates with open circulatory systems, hemolymph is composed of:
A. interstitial fluid. B. plasma plus interstitial fluid. C. plasma plus intracellular fluid. D. plasma.
Biology & Microbiology