Scientist performs a test cross by mating a RrWw fly with a rrww fly to produce the following offspring

Which level of consumer had access to the smallest apply of energy

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.

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?