b. Why are biodiversity hot spots important to the biosphere and to humans? Consider environmental factors, genetic factors, and human health in your answer. (4 points)

Which of these resources is used worldwide to make construction products, pottery, and porcelain

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent