Across
- 3. what is the site of chemical reactions in a cell
- 4. what is a essential nutrient which is required to make proteins
- 5. what is the movement of food along the gut
- 6. what is a group of organisms that can interbreed to produce fertile offspring
- 8. what is the movement of water through the plant from root to leaf
- 10. what is the process by which cells divide
- 11. what shows the total mass of each living organism at each stage in the food chain
- 14. what is the name given to the role an organism has in its ecosystem
- 17. synthesis what is the name given to the process that makes protein
- 18. what is the site of aerobic respiration
- 20. what is the site of gas exchange
Down
- 1. what control the process to control pests and disease in agriculture
- 2. what occurs when two or more living things need the same resources
- 5. what is the process used by plants to make food
- 7. what speeds up chemical reactions
- 9. species what species can indicate the presence or absence of the level of pollution
- 12. what is a random change to the genetic material of an organism
- 13. what is the site of protein synthesis
- 15. cell what opens and closes stomata
- 16. cells what are blank undifferentiated cells called
- 19. what is the name for all the different species living together