System that protects, regulates temperature, and prevents water loss

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

2. which is the last step in the scientific method?

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin