In this lab, biology students were directed to use indicators as chemical detection tools, to analyze a variety of foods for the presence of carbohydrates, lipids or proteins. they preformed a specific test for carbohydrates, a benedict test. the results for the presence of glucose can be seen here. students wanted to use the same test for a variety of other carbohydrates. the test would work for all but one of the carbohydrates listed here. a) fructose b) galactose c) mannose d) sucrose

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

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some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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