Select the description of a population pyramid for a population that has the largest potential for exponential growth.
A. Broad at the top, narrow at the base, with more females than males
B. Broad at the top, narrow at the base, with more males than females
C. Broad at the base, narrow at the top, with more males than females
D. Broad at the base, narrow at the top, with more females than males
E. Uniform at all age classes, with more females than males
Answer: D
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. Two species of warblers colonize the same island habitat. Both species nest in similar locations and eat the same type of prey. Eventually, competition will probably cause one species to
A. migrate. B. grow exponentially. C. speciate. D. be eliminated.
Several molecules of CO2 must be captured during the Calvin cycle of photosynthesis for every molecule of glucose that is manufactured.
a. true b. false
____ is a sugar.
A. Sucrase B. Pentose C. C27H46O D. COOH-CH2-NH3
Select the incorrectly-matched osmoregulatory organ and the organism that uses it.
A. kidney-fish B. nephridia-annelids C. antennal glands-mollusks D. Malpighian tubules-insects E. protonephridia-flatworms