Across
- 7. amount of energy transferred from one trophic level to the next
- 8. breaks down lipids
- 9. hormone involved in osmoregulation
- 10. caused by leaching of fertilisers into lakes
- 12. instrument used to compare parts of ecosystems
- 15. form of pest control using another living organisms
- 16. happens to enzymes at temperatures above 42 degrees celsius
- 18. part of the enzyme where the substrate binds
- 20. improved by using better equipment
- 21. male gamete in plants
- 22. eats producers
- 23. maintenance of constant internal conditions
- 24. two glucose molecules joined together
- 25. a product of anaerobic respiration in yeast
- 27. hormone found in plants
- 29. neurone that transports impulses from a receptor to the CNS
Down
- 1. growth response of plants to a certain stimulus
- 2. carries urine from the kidney to the bladder
- 3. can only survive and reproduce in a host cell
- 4. a greenhouse gas
- 5. made of cellulose in plants
- 6. where gas exchange takes place
- 11. requires protein pumps and energy
- 13. produces diploid cells
- 14. transports blood from the left ventricle
- 17. improved by doing repeats
- 19. caused by smoking
- 26. produces bile
- 28. vessel carrying water in plants