The plant has whorled phyllotaxy. Draw and label such a leaf and show how the leaves are arranged on the stem. Plants have only one system for coordinating their response to the environment while animals have two systems. A plant s response to the environment is a growth response. Give three examples of types of growth responses.
Plant hormones can both stimulate and inhibit growth.
Give an example of plant hormones stimulating a growth response in a tissue other than that in which the hormone was produced. Give an example of a plant hormone having an effect on the tissue in which it is produced. The concentration of a plant hormone may determine the amount of response. Give and explain an example of this. You feel that the bur clover is unsightly and want to get rid of it.