PLEASE HELP FAST, IM STRUGGLING!! Question: How do naturally occurring hormones affect plants?

- They ripen fruits, prevent plants from being eaten by insects, and help plants collect water from soil.
- They start lateral leaf growth, help plants collect water from soil, and speed up the growth of plant cells.
- They keep buds inactive in winter, speed up the growth of plant cells, and ripen fruits.
- They speed up the growth of plant cells, ripen fruits, and prevent plants from being eaten by insects.

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain

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.