What is one function of the muscular system?
A. Transmission of electrical signals
B. Connection of ligaments to bones
C. Heat production
D. Exchange of gases with the atmosphere
E. Prevention of desiccation
Answer: C
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What important ecological role do lichens play?
What will be an ideal response?
The fact that genes associated with altruism are favored by natural selection if they lead to the reproductive success of
an altruist’s closest relatives is called _____. a. the theory of inclusive fitness b. survival of the fittest
c. evolution d. inbreeding e. selective mating
Homologous structures such as the bones in wings, flippers, and arms would be studied in the field of
A. biogeography. B. comparative anatomy. C. comparative biochemistry. D. the fossil record. E. comparative embryology.
A primary function of the nucleus in eukaryotic cells:
A) to transport proteins outside of the cell B) to synthesize proteins from mRNA C) to produce ATP that powers the cell D) to contain the cells hereditary material E) none of these