SOCL 2001 Chapter : Social Control
Document Summary
Today we"ll focus on the flowering plants of the kingdom: plantae. Plants use animals and wind to spread pollen in order to reproduce: ex. Movement of the pollen is called pollination , after the pollen lands on the female plants its called fertilization . Flowers and pollinators have evolved together for thousands and thousands of years; this way they can keep on doing the same things. Flowers that use bees and moths to spread pollen don"t emphasize in color, just in smell. This way it attracts other animals in the night (ex. Plants have been on earth since 600 million years ago. At about 550 mya the first plants appeared on land. Some plants have asexual reproduction: by fragmentation, either naturally (runners) or artificial (clippings, ex. Evolution of flowers (130-150 million years ago sea flowers started: gymnosperms (earliest seed plants, relied on the wind to spread the seed.
