If one plant cell sends a signal to another plant cell by passing a small molecule to that cell through the plasmodesmata, this would be referred to as signaling.

What process allows for the development of haploid sex cells? mitosis meiosis fertilization pollination

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

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.