The ____ of a human population is the average number of children born to a woman during her reproductive years.
A. global reproductive rate
B. mean reproductive rate
C. average fertility rate
D. total fertility rate
E. replacement fertility rate
Answer: D
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Which of the following stains is/are considered differential?
A. Capsule stain. B. Flagella stain. C. Acid-fast stain. D. Gram stain. E. Acid-fast stain AND Gram stain.
During primary growth, auxin causes young cells to expand by increasing the activity of __________ that pump
hydrogen ions from cytoplasm into the cell wall. Fill in the blank(s) with the appropriate word(s).
An unexpected freeze that kills a population of chipmunks is an example of ________
A) a density-independent factor B) a biological control C) a density-dependent factor D) a population momentum
Griscelli syndrome, a disease caused by mutations in the gene encoding Rab27a, is characterized by abnormal
a. transport of melanosomes. b. export of neurotransmitters. c. export of vesicles in T lymphocytes. d. Both a and c