The interactions that occur in pond are part of

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

What maintain homeostasis when a persons internal body temperature is 97.5°f

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes