Which is an example of a beneficial mutation? 1. one that makes it easier for a corn plant to contract a disease
2. one that causes a person's body to produce thick mucus that clogs the lungs
3. one that results in lighter flower petal colors without changing the plant's ability to
reproduce
4. one that changes the color of a rabbit, allowing it to hide from predators.

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?

The diagram shows the development of the oocyte and the follicle during the menstrual cycle. identify at which stage in the cycle the hormone levels are at their highest and most active.