In order for a genetic mutation in a species to result in the formation of a new species, what must occur? . a). the original species must become extinct.. b). the new species must be unable to breed with the original species.. c). the new species must be visibly different from the original species.. d). the new species must have a larger population than the original species..

The body is protected against harmful flu viruses by

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.