How can viable genetic diversity be restored when a population becomes very small?
A) through hybridization with another species
B) through inbreeding
C) through sterile breeding techniques
D) through asexual reproduction
E) through captive breeding programs
E
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In order to use the label "organic"
A. prohibits the use of synthetic pesticides and fertilizers. B. organic farms must be certified. C. must not use genetically modified seeds. D. All of these statements are correct.
If a geologist refers to an igneous rock as plutonic, she means that ________.
A. it is dark-colored B. it formed in the Precambrian C. its composition is high in silicate minerals D. it formed intrusively E. she is not sure what type of rock it is
Fence posts and utility poles leaning downslope is indicative of slump
Indicate whether the statement is true or false
All of the following have been proposed as means of disposing of liquid high-level radioactive wastes except
A. a high-temperature incineration to destroy the radioisotopes. B. disposal in (under) ice sheets. C. placement as liquid wastes in bedrock caverns. D. disposal in subduction zones.