Based on the endosymbiotic theory, what cell would result from the endosymbiosis of a cell with a cyanobacterium? a) a eukaryotic cell that can make its own food b) a prokaryotic cell that can make its own food c) an aerobic bacterium d) an anaerobic bacterium

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.

What in scientific term why the salty popcorn causes this thirst

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.