Evidence that some cones are especially sensitive to red light, others to green light, and still others to blue light is most directly supportive of the theory.

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

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these