Which is a characteristic of a capillary? A. Carries blood away from the heart. B. Has valves to direct blood flow. C. Controls blood flow to the organs. D. Has walls that are one cell thick

Environmental differences within ecosystems are generally caused by

The diagram shows the development of the oocyte and the follicle during the menstrual cycle. identify at which stage in the cycle the hormone levels are at their highest and most active.

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data. me % babies born at different weights - babies born in that category which statement is a valid claim that could be made using the data in the graph? directional selection is occurring because the graph favors an extreme. mark this and totum save and exit next submit type here to search