There are no long-term data to support the idea that the community structure of aquatic species has changed due to climate change
Indicate whether the statement is true or false
FALSE
Biology & Microbiology
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Which is NOT an element?
a. water b. oxygen c. carbon d. chlorine e. hydrogen
Biology & Microbiology
A large molecule built of three to millions of subunits is a(n)
a. monomer. b. ion. c. polymer. d. enzyme. e. functional unit.
Biology & Microbiology
Where is erythropoietin produced?
a. in the liver b. in the heart c. in the lymph nodes d. in the kidneys
Biology & Microbiology
GGG and GGC are codons for the amino acid, glycine. A mutation caused the insertion of a cytosine in place of the guanine during DNA replication. Over many generations the DNA changes so that the frequency of GGC is similar to that of GGG. What is this phenomenon called? 
A. directional selection B. stabilizing selection C. neutral variation D. adaptive variation E. bottleneck effect
Biology & Microbiology