When organisms eat, the food is broken down and used to I. supply energy for growth and repair.
II. supply the building blocks for growth and repair.
III. supply the energy for reproduction.
A. I, II, and III
B. II only
C. I and III only
D. I only

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

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.