What are heterotrophs? a) organisms that can take solar energy and convert it into chemical energy b) organisms that obtain their from eating energy compounds from other organisms. c) organisms that eat only plants d) organisms that eat plants and meet.

the correct answer is:

a population changes in response to a change in the environment.

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:

no u