EXPLAIN Why is there a limit on the number of trophic levels that can exist within an ecosystem?
O a. The number of trophic levels is limited by the amount of available energy.
b. There would not be enough space for more organisms.
c. There would be too much competition among organisms.
Od. There is no limit to the number of trophic levels that can be added
within an ecosystem.

Forensic nursing is a medical-specialist career that grew out of a response to divorce in society. true false

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

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