Two lizards with long tails have 4 offspring. All the offspring have long tails. What does this tell you about the tail genes that the offspring received?

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.

What is the difference between a scientific hypotheses and a scientific theory?

What problem would a person most likely have if her kidney did not work correctly?