A disaster such as a meltdown in a nuclear power plant requires close examination of potential impacts on organisms. Which of the following would be useful to biologists in such a situation?
A) Use a molecular clock to time the divergence of species in an area from those far away.
B) Measure continental drift to determine if the disaster had accelerated movement of continents.
C) Use radiometric dating to determine if new species are forming.
D) Examine the mutation rate of species in the area.
Answer: D
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A) 20 B) 30 C) 40 D) 50
The science dealing with classification is called ________.
A. systematics B. taxonomy C. identification D. nomenclature
It would be an advantage to have the absence of petals (or reduced petals) in a plant that
distributes pollen via
a. animals. b. humans. c. water. d. wind.
The release of DDT into the environment to control some insect pests will result in the highest
detectable concentrations a. at the bottom of the food chain. b. in the targeted insect pest. c. in the middle of the food chain. d. at the end of the food chain. e. nowhere, because DDT is degraded rapidly.