When individual cellular slime mold amoebas are near starvation, all the individuals in that immediate area aggregate into a large moving mass of cells called a
A. spore.
B. test.
C. community.
D. colony.
E. slug.
Answer: E
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Genes whose expression (or abnormal expression) causes cancer are called
A. carcinogens. B. oncogenes. C. cancer genes. D. progenes.
When a gene picks up nucleotides to build its noncoding strand, this is known as
A. DNA replication. B. RNA transcription. C. DNA translation. D. RNA coverage.
Boiling water before drinking can prevent which types of pathogens from harming the body?
A. Bacteria B. Fungi C. Viruses D. Protists E. All of the above
In a songbird species, defending a territory saved the bird 584 calories a day in reduced foraging activity, but cost the bird 656 calories in defense of the territory. Is defending the territory consistent with the prediction from optimal foraging theory, and what can explain this?
A. Yes, because a bird of this species will minimize predation risk by defending the territory. B. No, but there may be non-nutritional benefits to defending territory. C. No, so it is likely that the researcher made a mistake in data collection. D. No, so that demonstrates that optimal foraging theory is not useful. E. Yes, because the bird will save 72 calories per day due to defending the territory.