Plants

1. A flowering plant
6. An opening in a plant leaf through which carbon dioxide enters and oxygen exits
8. Have no seeds or fruit, but do have plant veins. For example, a fern.
9. A group of living and non-living things
10. A plant hormone that causes leaves to fall off (hint: look under "answers to thought questions" in the table at the end)
14. The specific pigment that makes plants green (hint: look under "answers to thought questions" in the table at the end)
15. Surrounds and protects seeds in angiosperms; examples include apples, cucumbers, and peppers

2. Have seeds but no fruit; might store seeds in a cone
3. Sunlight + water + carbon dioxide --> sugar + oxygen
4. The non-green pigments we see in the Fall when plants turn different colors (hint: look under "answers to thought questions" in the table at the end)
5. A 6-carbon sugar produced by plants
7. Examples include carrots, onions, lettuce, and potatoes
8. Makes things colorful; for example, one of these makes plants green
11. Have no seeds, fruit, or veins (which means they have to stay close to the ground). For example, moss.
12. The cellular "organ" of photosynthesis (where photosynthesis happens)
13. Needed for photosynthesis; eventually becomes oxygen, which is released from the plant