50 points 4 questions 1. Which process represents cellular division in body cells?
2. Which process is necessary for sexual reproduction?
3. How does sexual reproduction increase genetic variation?
4. Summarize the differences between mitosis and meiosis.

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”

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.

Which direction does the energy flow in this energy pyramid ?