Afood chain would be a better resource than a food web to answer which question?
how does energy move from an organism in one trophic level to an organism on the next trophic level?
how does energy move within a trophic level?
what preys on grasses?
how is organic matter recycled in a forest?

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

Stephen is a student who wants to test his knowledge of medical terminology. which option could he use?