Which statement describes how a decrease in the number of decomposers would most likely affect an ecosystem?

Familial hypercholesterolemia, an autosomal dominant disease, is five times more frequent in the afrikaner population of south africa than in the original population of europe from which the ancestors to the afrikaners immigrated. what does this demonstrate?

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

How does the study of genetic disorders such as pku biologists understand normal alleles?