Researchers have discovered a chemical that kills all of the decomposers that are normally present in the soil. What would most likely be the result if this chemical were released in a forest ecosystem?

A.
The food web would be disrupted because there would be little recycling of nutrients.

B.
Fewer animals would suffer from diseases such as cancer.

C.
There would be more energy available for the plants growing the soil.

D.
The diversity of plants and animals present would increase.

In 1992, hurricane andrew left a wake of destruction through florida. one victim of the storm was a reptile-breeding facility. over 900 burmese pythons were set free, and today thousands of pythons live in florida. these pythons are an invasive species, or a harmful species not native to the region. 1. what impacts do you think the burmese pythons might have on local ecosystems

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

The science for classifying and naming organisms is known as