Plants: JS

3. sticky portion at the top of the style where pollen grains frequently land
7. tough structure that protects a root as it forces its way through the soil
11. the insect or animal that carries the pollen to the pistil
12. the process by which a plant captures energy in sunlight and uses it to make food
14. small openings on the surface layers of the leaf, control when gasses enter and leave the leaf
16. A growth response of a plant toward or away from a stimulus
17. cell organelle that stores materials such as water, salts, proteins, and carbohydrates
19. a low-growing plant that lacks true vasculartissue specialized tissue in plants that carries water and nutrients
20. tiny leafy-stemmed flowerless plants, a nonvascular plant that has simple parts
21. a plant having a life cycle that normally takes two seasons from germination to death to complete

1. green pigment in plants that absorbs light energy used to carry out photosynthesis
2. young plant that develops from the zygote, or fertilized egg
4. the joining of a sperm cell and an egg cell
5. chemical messenger
6. the ripened reproductive body of a seed plant
8. Waxy, protective layer that covers the stems, leaves, and flowers of many plants. Helps prevent water loss.
9. an organelle found in plant and algae cells where photosynthesis occurs
10. the fertilized egg; it enters a 2-week period of rapid cell division and develops into an embryo
13. a fine dust that contains the sperm of seed-producing plants
15. a plant having a life cycle that normally takes two seasons from germination to death to complete
18. reproductive organ of angiosperm plants especially one having showy or colorful parts