Which of the following scientists theorized correctly about organisms changing over time, but was incorrect as to the method of this change?

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?

Which of these would most likely be a stimulus that would cause the body to initiate feedback mechanisms a.) normal body temperature in an arctic environment b.) normal boy temperature in a tropical environment c.)light physical activity d.)low blood sugar

Why do mountaineers become breathless as they reach high altitudes