Across
- 5. Organism that makes its own food, usually by photosynthesis.
- 6. Introduction of a dead or inactive pathogen to stimulate immunity.
- 7. Process by which plants make glucose using light energy.
- 9. Community of organisms interacting with their environment.
- 12. Biological catalyst that speeds up chemical reactions.
- 13. Chemical messenger produced by glands in the body.
- 16. Structure made of DNA that carries genetic information.
- 17. Cell division producing two identical daughter cells.
- 20. Different form of a gene.
- 23. Protein produced by white blood cells to fight pathogens.
- 24. Level, Position of an organism in a food chain.
- 27. Movement of water molecules through a partially permeable membrane.
- 29. Cell division producing gametes with half the number of chromosomes.
- 30. Microorganism that causes disease.
Down
- 1. Process of releasing energy from glucose.
- 2. Transport, Movement of substances against a concentration gradient using energy.
- 3. Organism that breaks down dead material for nutrients.
- 4. Feature that increases an organism’s chance of survival.
- 8. Respiration without oxygen that produc lactic acid or ethanol.
- 10. Section of DNA that codes for a protein.
- 11. Respiration using oxygen to release energy.
- 14. Organism that eats other organisms for energy.
- 15. Maintenance of a stable internal environment in an organism.
- 18. Hormone that lowers blood glucose levels.
- 19. Selection, The process where organisms better adapted to environment survive and reproduce.
- 21. Variety of different species in an ecosystem.
- 22. Cycle, Movement of carbon through living organisms and the environment.
- 25. Movement of particles from an area of high concentration to low concentration.
- 26. Group of organisms of the same species living in a habitat.
- 28. Change in the DNA sequence of a gene.