| A | B |
|---|
| photosynthesis | The process by which plants make food. |
| cell wall | A thick boundary that gives the plant its crunch. |
| cellulose | A chemical that makes cell walls rigid. |
| chloroplasts | The plant structures in which food are made. |
| vacuole | A large, sac-like storage area. |
| tissues | Groups of similar cells that perform a specific function in an organism. |
| chlorophyll | A green pigment found in plants. |
| cuticle | A waxy, waterproof layer of a leaf. |
| vascular tissue | An internal system of tubes through which water and food move inside a plant. |
| nucleus | The brain of the cell that contains its genetic material. |
| cytoplasm | A gel-like substance found inside the cell membrane that contains the cell's organs. |
| cell membrane | A permeable layer of the cell that allows substances to travel in and out of the cell. |
| fertilization | Occurs when a sperm and egg cell unite. |
| zygote | A fertilized egg. |
| sporophyte | A reproductive stage in which a plant produces spores. |
| gametophyte | A reproductive stage in which a plant produces egg cells and sperm cells. |
| gametes | sperm cells and egg cells |
| accessory pigments | A yellow, orange, or red pigment found in plant cells. |
| carbon dioxide and water | raw materials of photosynthesis |
| light energy | energy used in photosynthesis |
| sugar and oxygen | products of photosynthesis |
| phloem | The tissue through which food moves. |
| xylem | The tissue through which water and nutrients move. |
| seeds | Structures that contain young plants inside a protective covering. |
| embryo | A young plant. |
| cotyledons | The food source for an embryo. |
| seed coat | The protective covering of a seed. |
| germination | The early growth period of a seed. |
| stomata | Opening on the underside of a leaf. |
| transpiration | The process by which water evaporates from a plant's leaves. |
| cambium | The layer of plant cells that divided to produce more phloem and xylem. |
| root cap | Protects a plant's root from injury. |
| angiosperms | A plant that includes seeds that are enclosed in a fruit. |
| ovary | The are of a flower in which seeds are produced. |
| stamen | The male reproductive parts of a flower. |
| anther | The part of the flower that contains the pollen. |
| filament | A stalk that joins the anther to the flower. |
| style | A tube that joins the stigma to the ovary. |
| stigma | The sticky part of the female reproductive organs of a flower that collects pollen. |
| pistil | The female reproductive parts of a flower. |
| fruit | The ripened ovary of a flower. |
| ovules | The are of a flower in which eggs are produced. |
