Ques:Q: What is it called when organisms with traits that better enable them to adapt to their environment tend to survive and reproduce in greater numbers? Choices: - natural distribution - adaptation - evolution - natural selection A:

Ans:natural selection
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Ques:Q: What is the year cycle that sunspots occur? Choices: - 12 - 15 - 22 - 11 A:

Ans:11
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Ques:Q: The sporophyte phase is the longest phase in the life of what? Choices: - echinoderm - arthropod - angiosperm - gymnosperm A:

Ans:gymnosperm
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Ques:Q: What effect in the atmosphere ensures that the earth maintains the correct temperature to support life? Choices: - coriolis effect - ozone effect - smog effect - greenhouse effect A:

Ans:
greenhouse effect
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