| A | B |
|---|
| a gas from the air that is taken in by plants, exhaled by animals, and given off when fuel is burned | carbon dioxide |
| the green coloring in plants that traps energy from the sun and is needed by plants for making food | chlorophyll |
| plants that make seeds inside a cone (evergreens) | conifer |
| period of suspended life processes brought on by changes in the environment | dormancy |
| seed bearing plants with flowers. A flower is the part of the plant where seeds form. | flowering plants |
| the part of the plant that makes most of the food for the plant to survive | leaves |
| a gas that is given off by plants and used by animals | oxygen |
| the process by which green plants make food (a sugar called glucose) from carbon dioxide and water using the energy produced when light is absorbed by chlorophyll | photosynthesis |
| the entire female reproductive structure of a flower; it contains egg cells | pistil |
| powdery substance produced in the stamen. It contains the male germ cell. | pollen |
| the transfer of pollen grains from the stamen to the pistil | pollination |
| to make offspring | reproduce |
| the structure that holds the plant in the ground. Roots provide the plant with water and nutrients that have dissolved in the water and soil. | roots |
| the part of a plant containing a plant embryo | seed |
| the outer part of a flower that surrounds and protects the flower bud before it opens | sepal |
| a cell that develops into a new organism; mosses and ferns reproduce with spores | spore |
| the entire male reproductive part of the flower that produces pollen | stamen |
| the part of a plant that takes the nutrients and water from the roots to the rest of the plant. Stems also hold the plant up so that the leaves can get sunlight. | stems |
| a living thing that grows on Earth, in water, or on other plants, usually has a stem, leaves, roots and flowers, and produces seeds. | plant |
| mineral or organic material on the immediate surface of the Earth that serves as a natural medium for the growth of land plants. | soil |
