Across
- 4. The mass of a living organism
- 6. A disease that occurs in people lacking iron in their diet
- 8. A molecule required to build a lipid, it combines with three fatty acids
- 10. The reproductive organs in plants that often produce seeds
- 11. A class of enzymes that break down fat molecules
- 13. Cells within a plant that have no chloroplast organelles, but large extensions for the maximum absorption of water and mineral ions
- 15. An organelle responsible for trapping light energy in order to produce a carbohydrate and oxygen
- 17. A nutrient required in small amounts, a lack of these usually results in diseases such as beri-beri, rickets, or scurvy
- 18. Any living thing on planet Earth
- 19. A specialised, hollow cell inside plants used to transport water and mineral ions
Down
- 1. A nutrient that the body cannot digest, but it helps keep the alimentary canal healthy as it prevents constipation
- 2. A storage carbohydrate that is often found inside the chloroplast organelle
- 3. This describes what bile does to a lipid molecule before digestion takes place
- 5. The gaps on the undersides of leaves that allow gases to pass into and out of the leaves
- 7. The process by which digested nutrients pass from the small intestine into the blood so that it can be transported across the body
- 9. An organelle that is selectively permeable and controls which substances enter and leave a cell
- 12. The rhythmic contractions of the muscles in the alimentary canal
- 14. A plant organ that supports the plant and keeps it in an upright position
- 15. A molecule, such as an enzyme, that speeds up the rate of chemical reactions
- 16. A nutrient composed of carbon, hydrogen, oxygen, and nitrogen