A sample is a random, unbiased selection out of a larger group. An independent variable is one that is changed as to see how it will affect the dependent variable in an experiment.
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Answer:
<u><em>Proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body’s tissues and organs. </em></u>
<u><em>Proteins are made up of hundreds or thousands of smaller units called amino acids, which are attached to one another in long chains.</em></u>
Explanation:
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Answer: Same DNA
<u>My work:</u> When scientist refer to this they mean all organism such as plants, humans, and animals have the same DNA or otherwise the same Genectic Code.
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The forest would be cooler because the trees are thick and no sunlight is allowed through. things are much cooler when there’s no sunlight allowed near them- think about the difference on a hot summers day sitting in unshaded grass vs sitting in shady grass under a big tree.