A | B |
annual (27-1) | a plant that completes its life cycle and dies within one growing season |
annual ring (27-1) | layer of secondary xylem formed each year |
apical dominance (27-2) | the inhibition of the growth of buds along a stem by the apical meristem |
apical meristem (27-1) | region where primary growth is produced |
auxin (27-2) | a chemical that causes a stem to bend toward light |
biennial (27-1) | plant that takes two growing seasons to complete its life cycle |
cork cambium (27-1) | the meristem that lies within the bark |
dormancy (27-2) | condition in an inactive seed or plant |
germination (27-1) | process by which a plant embryo resumes its growth |
hormone (27-2) | a chemical produced in one part of an organisms and transported to another part, where it causes a response |
mineral nutrient (27-2) | needed by plants in small amounts |
perennial (27-1) | a plant that lives for several years |
photoperiodism (27-2) | the response of plants to the length of days and nights |
primary growth (27-1) | growth that increases the length or height of a plant |
secondary growth (27-1) | growth that increases the width of a plant's stems and roots |
vascular cambium (27-1) | the meristem that lies just under the bark |
tropism (27-2) | a response in which a plant grows either toward or away from a stimulus |