What do prokaryotes lack?
A) a nucleus
B) cell walls
C) the ability to perform photosynthesis
D) the ability to evolve over time
A
Environmental & Atmospheric Sciences
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Reintroduction of the wolf eventually reduced attacks on domestic cattle by what other species?
a. golden eagle b. Coyote c. Fox d. grizzly bear e. local wild dogs
Environmental & Atmospheric Sciences
The philosophy of the Endangered Species Act primarily reflects
A) political values. B) instrumental values. C) intrinsic values. D) economic interests.
Environmental & Atmospheric Sciences
Halley's comet has an average orbital period of ________ years.
A. 76 B. about 10,000 C. 10 D. 577 E. about 100,000
Environmental & Atmospheric Sciences
For a landfill, which of the following techniques provides an incomplete solution to reducing space?
A. open dumps B. incineration C. sanitary landfills D. ocean dumping
Environmental & Atmospheric Sciences