Decide whether each of the following situations is an example of homeostasis. if it is an example, write and h next to the statement. if it is not, write n

6. when you eat salty food, excess salt is excreted (sent out) through urine so that the amount of salt in the blood remains constant.
7. when you fail to get enough sleep, you feel tired the next day.
8. if your blood pressure becomes too low, sensory neurons stimulate the nervous system to increase the rate at which the heart pumps.
9. when you take a deep breath, the volume of your chest cavity increases.
10. when you learn a physical skill, such as skiing, the part of the brain called the cerebellum coordinates and balances the actions of the muscles.

Ali hypothesized that increasing fertilizer would increase plant growth. four groups of thirty similar plants were given 0 to 15 ml of fertilizer, as shown in the graph. the change in plant height for each group over a two-week period was averaged and recorded. plant group fertilizer added (ml) avg. growth (cm) a 0 4 b 5 6 c 10 8 d 15 3 what is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.