In a desert environment, cacti are eaten by peccaries, a type of wild pig. What type of selection is shown in Figure 11.3?

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 used to keep track of the gamates and possible offsprings combination

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