Humans would be typical of which survivorship curve category?
A) early-loss species
B) late-loss species
C) late-gain species
D) constant-loss species
E) early-gain species
Answer: B
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Which of the following might be a result of adding a secondary consumer to the aquatic ecosystem illustrated above?
A) a decrease in the number of primary consumers B) a decrease in the population of decomposers C) an increase in atmospheric carbon dioxide D) an increase in the population of scavengers E) a decrease in the carbon sink
Peptide bond formation is catalyzed by an RNA molecule in
A) prokaryotes. B) eukaryotes. C) yeast only. D) cyanobacteria. E) both choices A and B
In the mechanism of action for auxin, after auxin binds with its receptor, which of the following
happens next? a. Proteins are targeted for destruction. b. Genes are activated. c. Ubiquitin attaches to repressor proteins. d. Transcription occurs. e. The cell wall loosens.
Genes for antibiotic resistance can be found in antibiotic-producing bacteria as well as in non-antibiotic-producing bacteria.
Answer the following statement true (T) or false (F)