Comparative and experimental investigations are two of three scientific investigations, the other is descriptive investigations.
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Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
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The answer is Anthropogenic
Instances of anthropogenic activities (human activities) that have resulted in climate change include burning of fossil fuels that have increased the levels of carbon dioxide and carbon monoxide in the atmosphere. The gases create a greenhouse effect and cause climate change.
Chromosomes<span> first become </span>visible during<span> prophase in mitosis, and they are fully</span> visible during<span> metaphase and anaphase. They lose their visibility </span>during<span> telophase and are not </span>visible during<span> cytokinesis, which follows mitosis.</span>
