Across
- 4. Pine cone>red squirrel>weasel>goshawk
- 6. living things and what is associated with them
- 8. An unwritten law that limits the size of a population in a given area
- 9. The function of a species serves in its ecosystem
- 11. Producers>Primary Consumers>Secondary consumers>Tertiary consumers
- 14. Population of all organisms combined in a given area
- 15. Movement of matter through biotic and abiotic environments
- 16. Sugar being turned into carbon dioxide, water and energy
- 21. One type of energy being turned into another
- 24. Organisms that live in water have a hard time living in these conditions
- 27. Conditions that must be met to allow specific species to live
- 29. Earth's natural balance
- 30. If pollutants enter these, ecosystems become at risk and polluted
- 31. Biogeochemical cycle for carbon
Down
- 1. An organism that makes its own food
- 2. Organisms that live in water thrive in these conditions
- 3. All of earth's water
- 5. Nitrogen being moved through the abiotic and biotic environment
- 7. Maintained through natural processes
- 10. The Tundra, Desert and Grassland are examples
- 12. Earth's solid outer layer
- 13. Representation of energy, numbers or biomass relationships
- 16. The maximum population size of a particular species that an ecosystem can sustain
- 17. Energy that travels through outer space
- 18. Non living components of an ecosystem
- 19. All living organisms and their environment
- 20. Keeps us warm/cool
- 22. Allows us to live, along with all other living organisms
- 23. Earth's protective shield
- 25. Allows us to see
- 26. Ocean>evaporation>condensation>precipitation
- 28. When we eat we can be considered this