Arenicola is an example of a heterotroph that feeds by ________ feeding
A) active predation
B) deposit
C) filter
D) passive predation
E) photosynthetic
B
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A population crash occurs when
a. A population approaches its carrying capacity. b. Environmental resistance comes into play gradually. c. Resources are essentially unlimited. d. A population greatly overshoots carrying capacity, and resulting environmental pressures cause effects. e. The population growth rate slows.
What kind of rocks are formed when molten crustal material cools and solidifies?
A) metamorphic B) sedimentary C) igneous D) sima
Which of the following can occur far below the surface in the tropics?
A) Oxidation B) Hydrolysis C) Carbonation D) Differential weathering E) Litter formation
Given the choice of living next to a coal-burning power plant or nuclear plant, which would you choose?
a. The nuclear plant, because it’s cleaner b. The coal plant, because it won’t emit radioactive materials c. Neither one; I’d move to another place. d. Either one; I don’t care.