In 1987, 18 black-footed ferrets, the last known individuals of this species, were captured and brought into a captive breeding program in Wyoming. In 1989, the total ferret population, still in captivity, was 120 animals
These 120 animals in 1989 represented:
A. N, the total population size.
B. N, the change in population size from 1987
to 1989.
C. N/t, the rate of change in population size.
D. r, the per capita change in population size.
E. rN, the geometric rate of growth of the
population.
A
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The organelle involved in the oxygen-requiring process by which the energy harvested from macromolecules is used to generate ATP is the:
A. chloroplasts. B. ER. C. nucleus. D. lysosome. E. mitochondria.
The only cytoplasmic organelles in animal cells aside from nuclei that contain DNA are ____________________
Fill in the blank(s) with correct word
Water can move inside a root via the ____
a. symplastic pathway only b. transmembrane and symplastic pathways c. transmembrane pathway only d. apoplastic, transmembrane, and symplastic pathways e. apoplastic pathway only
Adenine and guanine are nitrogen-containing bases found in nucleic acids
a. True b. False