Invertebrates that feed on the algal coating of stones and rubble in streams and rivers are referred to as ________
Fill in the blank(s) with correct word
grazers
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In a population of Mendel's garden peas, the frequency of green flowered plants (genotype aa) is 49%. The population is in Hardy-Weinberg equilibrium. What are the frequencies of the AA and Aa genotypes?
A. 49% AA, 2% Aa B. 9% AA, 42% Aa C. 42% AA, 9% Aa D. 33% AA, 18% Aa E. Can't determine from this information.
Triglycerides are
a. carbohydrates. b. nucleotides. c. proteins. d. neutral fats. e. amino acids.
A pollen grain “knows” when to germinate due to
which of the following? a. differentiation upon contact with the flower b. exposure to moisture c. cell signaling pathways d. electromagnetic impulses from the flower e. none of these
Bacteriophages are:a
viruses that infect bacteria. b. plasmids that infect bacteria. c. bacteria that infect other bacteria. d. enzymes that destroy bacteria. e. recombinant organisms.