Across
- 4. Preserved remains or traces of ancient organisms
- 6. Disease-causing microorganism
- 7. Differences between individuals of the same species
- 8. Process that releases energy from glucose
- 10. Structure that carries genetic information in the nucleus
- 12. Plastic or metal square used to sample an area
- 13. Biological catalyst that speeds up chemical reactions
- 14. shape of DNA
- 17. The entire genetic material of an organism
- 18. Variety of different species living in an area
- 20. Organelles where aerobic respiration takes place
- 23. Movement of substances against a concentration gradient using energy
Down
- 1. Random change in the genetic material
- 2. Process by which plants make glucose using light energy
- 3. Green pigment that absorbs light energy
- 5. Adapted to perform a particular function
- 9. Body's defence against disease and infection
- 11. A group of organisms that can reproduce to produce fertile offspring
- 15. Movement of water through a partially permeable membrane
- 16. Controls the activities of a cell and contains genetic material
- 17. Section of DNA that codes for a characteristic
- 19. Reagent used to test for the presence of starch
- 21. Different version of the same gene
- 22. Type of cell division producing two genetically identical cells