Acid rain and other forms of pollution can cause soil acidification, which decreases the number of decomposers in the soil. What is most likely to happen to an ecosystem that experiences soil acidification?

If a fungus a plant take up water and nutrients, that would be an example of which type of relationship? a. commensalism b. symbiotic mutualism c. predation d. parasitism

How are gene and protein sequences used to classify organisms?

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.