Research the ecology of your region and find one species that is endangered. Find an estimate of the population of the species in your region. Describe the threats facing that species, especially threats posed by human activities.

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a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

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