Four of the five choices below support the concept of
evolution. Select the exception.
a. biogeography
b. fossils
c. comparative anatomy
d. natural selection
e. catastrophism
Answer: e
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All of the following are glial cells except
A) interneurons. B) oligodendrocytes. C) astrocytes. D) Schwann cells. E) both choices A and D
In an isolated population of fruit flies, 4 percent of the individuals have pink eyes, a homozygous recessive condition,
and 96 percent have the dominant black eye phenotype. What percentage of the population are heterozygotes?
a. 32% b. 16% c. 48% d. 88% e. 4%
Dana Reeve, the wife of actor Christopher Reeve, died at a young age from lung cancer, although she had never smoked. Her cancer was likely caused by
A) a germline mutation. B) two somatic mutations in the same lung cell. C) exposure to carcinogens. D) stress from caring for her husband, who had a spinal cord injury.
Which group contains the organism Trypanosoma?
a. excavates b. chromalveolates c. unikonts d. archaeplastids e. rhizarians