An allele change that increases the fitness of a population is called...
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What role do traits play in affecting an organisms ability to reproduce? finches

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.