Plant growth

2. Plants have a cell wall to provide
3. The process in which humans and other larger organisms use to breakdown their food
5. The nutrient plants use as their food
6. This form of rain can lower the pH of soil and aquatic environments
11. Contains DNA and controls the cell's activity. This found in both plant and animal cells
14. A main nutrient found in foods such as bread
16. This part of plant has a large surface to absorb a lot of sunlight for plants to carry out photosynthesis
17. An organism that carries out photosynthesis to make its own food
18. The organelle in a plant cell where photosynthesis happens
19. A reactant in photosynthesis

1. Farmers help plants grow by adding this substance to the soil
4. green in colour, found in aquatic environments and carries out photosynthesis
7. Plants absorb water and m__________ from the soil
8. Sometimes plants are grown here to provide the best conditions for them to grow
9. Plant cells have a large v__________
10. Plants absorb this gas to carry out photosynthesis
12. Photosynthesis does not happen at night in plants due to the limited amount of _____________
13. Water travels up this part of a plant
15. A form of respiration that requires oxygen