Across
- 5. creates its own food through photosynthesis
- 6. organism breaks down dead matter and recycles nutrients into soil
- 10. variety of genes within a species
- 11. caused due to human activities like burning fossil fuels
- 16. movement of energy from one location to another
- 17. shows how energy flows from one organism to another
- 18. relies on eating other organisms for energy
- 19. a community of living organisms
Down
- 1. a behavior an organism is born with
- 2. only a percentage of energy is transferred to the next level of the food chain
- 3. the struggle between organisms for limited resources
- 4. used to measure energy in ecosystem
- 7. often top of the food chain
- 8. The natural environment where an organism lives
- 9. shows the feeding relationships
- 12. increase in earths temperature
- 13. simple sugar needed for living organisms
- 14. continuous progress of precipitation, condensation, evaporation
- 15. predators hunt for
- 16. shows distribution of energy from different levels in ecosystem