A student is breeding beta fish to sell. The original population of fish he uses to start the breeding has a mixture of red fish, blue fish and purple fish. Purple are the most desirable fish. If the student uses selective breeding, which statement best describes how the population of fish will change over time?
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What part of the brain is highlighted in the diagram below?
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A student is breeding beta fish to sell. The original population of fish he uses to start the breedi...
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