What are phytoplankton?
single celled animals that float
multi celled animals that float
single celled plants that float
multi celled plants that float

Facilitates growth and change in neurons and the migration of neurons to different sites 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.

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite