Ques:Q: What type of symmetry do echinoderms show? Choices: - mirrored - lateral - parallel - radial A:

Ans:radial
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Ques:Q: What kind of reaction is a reaction in which two or more substances combine to form a single new substance? Choices: - power reaction - compounding reaction - chemical reaction - combination reaction A:

Ans:combination reaction
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Ques:Q: Ecologists already use the abilities of many prokaryotes to carry out bioremediation of soils and what else? Choices: - air - gas - plasma - water A:

Ans:water
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Ques:Q: What is the measure of an individual's weight-to-height ratio called? Choices: - body density index (bdi) - body matter index (bmi) - density index (di) - body mass index (bmi) A:

Ans:
body mass index (bmi)
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