Across
- 2. – A group of the same species living in the same area.
- 3. – Breaks down dead organisms.
- 7. – Organisms fight for resources.
- 10. – A single living thing.
- 11. – Organisms that can reproduce with each other.
- 13. Respiration – Cells release energy from food.
- 15. – Protecting resources.
- 17. Pyramid – Shows energy decrease at each level.
- 18. Factor – Restricts population growth.
- 21. – The role an organism plays in its ecosystem.
- 24. – Gets energy by eating other organisms.
- 26. – Plants use sunlight to make food.
- 27. Web – Connected food chains.
- 28. Impact – Effects of humans on ecosystems.
Down
- 1. – Variety of life.
- 4. – Eats animals.
- 5. – Makes its own food.
- 6. – All different populations living in an area.
- 8. – Close relationship between species.
- 9. – Eats plants.
- 12. – The place where an organism lives.
- 14. – Living and nonliving things interacting in an area.
- 16. – Eats plants and animals.
- 19. Species – Harmful non-native species.
- 20. – Ecosystem change over time.
- 22. Capacity – Max population supported.
- 23. Species – At risk of extinction.
- 25. Chain – Shows energy transfer in one path.