A desert ecosystem includes grasses, mice, snakes, and hawks. As you move up the energy pyramid of this ecosystem, each level has energy than the one below.

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Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria

Which blood cell spend most of their time in the lymphatic system?

Awoman whose sister tested positive for a specific mutation in the brca1 gene, which increases the risk for breast and ovarian cancer, is found not to have that mutation but does have a mutation of unknown significance near the known mutation site. how should this woman be counseled? select one: a. she should be informed that her risk for breast cancer is greater than the general population but not as great as her sister’s risk. b. she should be informed that because she does not have the mutation, her risk for breast cancer is not greater than that of the general population. c. she should be informed of her gene mutation status and be presented with all the available prophylaxis options and reconstruction options. d. she should be informed that she does not have the specific mutation but that because another mutation is present she should be vigilant about screening