The age at maturity is the age at which an organism ______________________.
a. completes embryonic development
b. starts to reproduce
c. is killed or dies
d. leaves its parents
e. I don't know the answer
Answer: b. starts to reproduce
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The formation of amino acids under abiotic
conditions was important because they serve as a. a supply of structural units for proteins. b. enzymes to catalyze reactions. c. subunits in the formation of DNA. d. subunits in the formation of RNA. e. subunits for the formation of lipids
The __________ transition model predicts the effect
that economic development has on human population growth. a. preindustrial b. transitional c. demographic d. postindustrial e. pretransitional
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