15. Mutations that affect the body cells of an organism are called a. Enzyme mutations b. Gamete mutations c. Somatic mutations O d. Neutral mutations

it should be d) transitional fossils.

they show the gradualism of evolution throughout a period of time

a ratio derived from the equality between two different units that can be used to convert from one unit to the other. information obtained from experiments, sometimes called experimental results. the part of the experiment that is affected by the independent variable.