What is the formula for determining the number of combinations of chromosomes that can be in gametes, where n is the number of chromosomes?
A) 2n
B) n4
C) nn
D) n2
E) 4n
Answer: A) 2n
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Neuston is a term relating to small organisms of the:
a. intertidal zone. b. benthic zone. c. ocean surface. d. abyssal zone. e. aphotic zone.
Biotic potential
a. varies from one species to another. b. is controlled by the timing of the first reproduction. c. is controlled by the frequency of reproduction. d. is controlled by the number of offspring produced. e. is true of all of these
Which of the following pairs is a mismatch?
a. Charles Darwin ----------? Natural Selection c. Linnaeus ------------> Fixed features of species b. Cuvier ----------? Catastrophism d. Lamarck ----------? Slow geological changes
What three plant tissue systems are contained in the stem?
A. root hairs, meristem, and vascular B. dermal, vascular, and ground tissue C. dermal, meristem, and vascular D. dermal, ground tissue, and meristem