A good web is represented in the diagram below. If the fish population decreases what is the most direct effect this will have on the aquatic ecosystem

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

Why is it important to study each branch of earth science?

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america