The rate of production of new biomass by heterotrophs is called
A. secondary productivity.
B. primary productivity.
C. consumer productivity.
D. gross productivity.
E. net productivity.
A. secondary productivity.
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Cytoplasmic fusion involves the union of fungal
a. nuclei. b. cells. c. spores. d. mycelia. e. gametes.
The nucleotide sequence of a gene is ____
a. made from amino acids b. found in the DNA backbone c. found on both sides of the DNA molecule d. the code for the sequence of amino acids for a polypeptide e. larger than a chromosome
All cnidarians have tentacles that are armed with rows of stinging:
a. cnidocysts. b. medusae. c. epidermal cells. d. polyps. e. collar cells.
The idea that several species in a community have functionally equivalent roles but vary in their ability to withstand environmental stressors is called the ________ hypothesis
A) redundancy B) biocapacity C) unextinction D) rivet E) multiple species