Across
- 6. Maintenance of a constant internal environment for optimum conditions
- 7. Introduction of a dead or inactive pathogen into the body to stimulate an immune response
- 8. Tightly coiled DNA
- 10. The variety of organisms within and ecosystem
- 11. Movement of substances against a concentration gradient using the release of energy
- 13. What we call a cell that has no specific features
- 16. The process where a better adapted organism will go on to survive and reproduce
- 19. An organism that breaks down dead/ waste material
- 23. A community of organisms and how they interact with their environment
- 25. Refers to the number of organisms of a single species
- 28. Cell division that produces gametes (sperm/egg)
- 29. Movement of particles from an area of high concentration to an area of low concentration
- 30. This reaction produces ethanol and carbon dioxide
- 31. A type of respiration that uses oxygen
Down
- 1. A type of respiration that does not use oxygen
- 2. Cell division that produces two genetically identical daughter cells
- 3. Organism that eats other organisms for energy
- 4. The shape of a red blood cell that gives it a high surface area
- 5. Process by which plants make glucose
- 9. Where aerobic respiration happens inside the cell
- 11. Features that increase an organisms chance of survival
- 12. A biological catalyst that speeds up chemical reactions
- 14. Section of DNA that codes for a protein
- 15. A chemical message produced by a gland
- 17. Hormone that reduces blood glucose level
- 18. Process by which a living thing releases energy from glucose
- 20. The movement of water down a concentration gradient through a partially-permeable membrane
- 21. An organism that makes its own food
- 22. Different versions of the same gene
- 24. The organelle responsible for protein synthesis
- 26. A change to the DNA sequence of a gene
- 27. Microorganisms that cause disease