Across
- 2. This controls what substances enter the cell and leave the cell
- 3. Nitrifying bacteria convert ammonium into nitrates
- 5. Living things produce off-springs
- 6. This is made of cellulose and can only be found in a plant cell
- 7. Living things need nutrients
- 9. plants which photosynthesis to produce food
- 13. Living
- 14. The varied of different species of organism within an ecosystem
- 17. Is the study of living things and how they are affected by the living things and the environment
- 18. A fluid filled sac which helps keep the cell turgid
- 20. Non-living
- 22. The source of energy in a cell
- 24. Living things, grow, increasing in size and complexity
- 26. Animals that eat plants of other animals
- 27. Organism that are able to interbreed to produce fertile off-springs
- 29. Organism that break down dead material and help to recycle nutrients
Down
- 1. Living things need energy to carry out the functions that keep them alive
- 4. Denitrifying bacteria remove the nitrogenous compound from the soil and release nitrogen back into the air.
- 6. A jelly like substance
- 8. The place where an organism lives
- 10. The process by which fuels react with oxygen to release carbon
- 11. All organism of the same species living in the same place at the same time
- 12. This makes protein within a cell from acid
- 15. and heat energy
- 16. Found in a plant cell and conduct photosynthesis
- 17. Living things have to get rid of un-wanted waste products
- 19. Plants which photosynthesis to produce food
- 21. The living and non-living things within a particular area and the interactions between them
- 23. Living things react to changes in their surroundings
- 25. Controls what happens inside of the cell
- 28. All the population of all the different species found in the ecosystems at the same time