Swelling in the feet and ankles is a very common symptom and can have a variety of causes. One way that doctors pinpoint the cause of swelling is by noting whether it is occurring in one limb, or in both equally. In many cases, the cause of swelling is something that requires medical attention, such as an infection or injury.
Pollination and Fertilization of Plants Visit a flower garden in the summer and youâll see and hear lots of activity. Bees are buzzing and busily moving from flower to flower.
Pollination. During plant reproduction, pollen grains need to move from the anther of one flower to the stigma of another flower. This is called pollination. Insects can pollinate flowers, and so can the wind. Insect-pollinated flowers are different in structure from wind-pollinated flowers.