Biology General Knowledge Crossword!

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Across
  1. 2. to get bigger or increase in size over time
  2. 4. smallest living unit that makes up all organisms
  3. 8. animal that lives in water, breathes with gills, often has scales
  4. 10. living thing that eats plants or other animals to survive
  5. 14. substance eaten to give energy and help growth
  6. 15. organ that controls the body and helps you think
  7. 19. everything around a living thing that affects how it lives
  8. 20. ability to do work or carry out life processes
Down
  1. 1. small animal, often with six legs and sometimes wings
  2. 3. clear liquid that all living things need to survive
  3. 5. plant part that makes food using sunlight and air
  4. 6. animal with feathers, wings, and usually can fly
  5. 7. living thing that makes its own food using sunlight
  6. 9. place where a living thing lives and finds food and shelter
  7. 11. body tissue that helps you move and do work
  8. 12. organ that lets oxygen in and removes carbon dioxide
  9. 13. plant part that takes in water and minerals from soil
  10. 16. mixture of gases including oxygen that animals need to breathe
  11. 17. hard part inside the body that supports and protects organs
  12. 18. organ that pumps blood around the body to carry oxygen