A small decrease in pH was shown to have a significant effect on
a. climate change.
b. the oceanic sink for carbon dioxide.
c. genes involved in building mineralized skeletons in sea urchin larvae.
d. genes involved in zooplankton reproduction.
e. the ocean source for carbon dioxide.
C
Biology & Microbiology
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The genetic code uses _________ nucleotide(s) to specify one amino acid.
A. one B. two C. three D. four E. 64
Biology & Microbiology
Most seagrasses add nutrients into the marine food chain via
a. DOM. b. detritus. c. herbivory. d. marine geese. e. mucus.
Biology & Microbiology
Which of the following is NOT a steroid
hormone?
a. testosterone b. epinephrine c. cortisol d. aldosterone e. all of these are steroid hormones
Biology & Microbiology
______ are toxins that act on the nervous system
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology