| A | B |
|---|
| photosynthesis | the process by which plants make food |
| cell wall | a boundary that surrounds the cell membrane and separates the cell from the environment |
| cellulose | a chemical that makes the cell walls rigid |
| chloroplast | structures in a plant cell where food is made |
| vacuole | a large sack-like storage area in a plant cell |
| tissue | groups of similar cells that perform a specific function in an organism |
| chlorophyll | a green pigment found in plant cells |
| cuticle | a waxy, waterproof layer that covers the leaves of most plants |
| vascular tissue | an internal system of tubelike structures through which water and food move inside the plant |
| fertilization | occurs when a sperm cell unites with an egg cell |
| zygote | a fertilized egg |
| sporophyte | a stage in the life cycle of a plant in which the plant produces spores for reproduction |
| gametophyte | a stage in the life cycle of a plant in which the plant produces sex cells (sperm or egg cells) |
| gamete | a sperm cell or an egg cell |
