Primary production is the:
a. rate of photosynthesis
b. rate of energy flow
c. amount of energy stored in the ecosystem
d. amount of energy utilized
e. rate at which producers capture and store energy
e
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What will be an ideal response?
What happens to the carbon molecules in the pyruvic acid that goes through the TCA cycle?
A. They get incorporated into cell material. B. They are excreted as waste organic acids. C. They become carbon dioxide. D. They form "energy storage molecules" and are stored by the cell.
Compared to modern humans, Neanderthalswere:a
skinnier. b. shorter. c. more numerous. d. more widely dispersed. e. small brained.
The trait of medium-sized leaves in iris is determined by the genetic condition PP?. Plants with large leaves are PP, whereas plants with small leaves are P?P?. A cross is made between two plants each with medium-sized leaves. If they produce 80
seedlings, what would be the expected phenotypes, and in what numbers would they be expected? A) 20 (large leaves), 20 (medium leaves), 40 (small leaves) B) 40 (large leaves), 40 (medium leaves), 0 (small leaves) C) 40 (large leaves), 0 (medium leaves), 40 (small leaves) D) 10 (large leaves), 60 (medium leaves), 10 (small leaves) E) 20 (large leaves), 40 (medium leaves), 20 (small leaves)