Ques:Q: What is greatest source of hazardous waste? Choices: - study - water - heat - industry A:

Ans:industry
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Ques:Q: Management programs based on population-regulating factors have helped prevent the extinction of many? Choices: - abundant species - keystone species - omnivores - endangered species A:

Ans:endangered species
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Ques:Q: During grafting, the part of the plant that is grafted is called? Choices: - roots - stock - stem - scion A:

Ans:scion
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Ques:Q: Fossil records support the idea that periods of little change may be interrupted by bursts of rapid change, an evolutionary model contrasted by what? Choices: - elitism - darwinian - minimalism - gradualism A:

Ans:
gradualism
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