Population 45; 89 10 11 12 13 14 15 16 17 18 19 20 21 22 *
Time (per hour)
Yeast was added to a flask containing a water/nutrient mixture, and the yeast
population was monitored over a twenty-four hour period. The results are shown on
the graph above.
The graph shows that after 16 hours, the yeast population -

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.