Across
- 2. a length of one millionth of a metre
- 5. the kingdom of organisms
- 9. a rapidly developing field that includes studying and investigating cells
- 12. member of the group of organisms that has a membrane around the nucleus
- 14. membrane structure that encloses the contents of a cell and allows the movement of some materials in and out
- 15. the green-coloured chemical in plants that absorbs the light energy used in photosynthesis
- 17. small structures within a cell in which proteins such as enzymes are made
- 18. the group of organisms that have cells with a membrane around the nucleus
Down
- 1. the jelly-like material inside a cell
- 2. the chemical reactions occurring within an organism that enable the organism to use energy and grow and repair cells
- 3. organism belonging to the Prokaryotae kingdom
- 4. oval-shaped organelle found only in plant cells
- 5. the food-making process in plants that takes place in chloroplasts within cells
- 6. the fluid found inside cells
- 7. the group of organisms, such as mushrooms and moulds, that help to decompose dead or decaying matter
- 8. having many cells
- 10. respiration the chemical reaction involving oxygen that moves the energy in glucose
- 11. fission reproduction by the division of an organism
- 13. sap the mixture inside a plant's vacuoles
- 15. a natural substance that keeps the cell wall of plants rigid
- 16. the kingdom of organisms that consist of single cells with a nucleus not surrounded by a membrane or a cell wall