Answer: Arctic Sea ice extent is virtually impossible to accurately measure from the Earth's surface. Scientists use radiometry data and visible imagery collected from the satellites to determine the sea ice extent.
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No because the sunlight gives them the energy they need
A. In the blood and the cells lining various tissues of the organs
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The correct answer is: C) are usually more rich in species<span> biodiversity than </span>
<span>Climax
communities are usually more rich
in </span>species biodiversity than communities that are undergoing primary succession. They contain a mature ecosystem as they have had time to gather species that couldn't live through the early stages of an ecosystem.
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Influence of environment:<span> Environment can play several roles in influencing the expression of some genes. In hip dysplasia, for instance, environment can influence how dysplastic a dog becomes. A dog cannot become dysplastic unless it has a majority of "bad" hip genes. However, when a dog does have a majority of bad genes, and it is kept overweight or allowed to grow too fast, or is exercised too much or too little, that dog will end up with a worse case of hip dysplasia than it otherwise would have had.</span>