Astudent is determining the influence of different types of food on the growth rate of spiders. she feeds one group of spiders two caterpillars twice a week. the other group received similarly-sized beetles twice a week. she records the amount of time required for individuals to reach sexual maturity. her hypothesis is that the spiders feeding on caterpillars will have a faster growth rate because caterpillars have a higher protein content compared to beetles. in summarizing her results, the student reports that the spiders fed on caterpillars reach sexual maturity two weeks before spiders fed on beetles. in her conclusion, the student correctly states that a. her results provide evidence in support of her hypothesis b. her results are inconclusive c. her results provide support for her theory d. her results prove her hypothesis
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What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.
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