Across
- 2. An animal that preys on other animals
- 4. The bottom of the energy-flowing pyramid
- 8. A stable community that no longer goes through major ecological changes (____-community (add the -community))
- 9. An animal that eats both plants and meat
- 12. The type of consumers placed at the top of a 4-tier energy-flowing pyramid
- 13. The type of predator that is at the top of the food chain (______ predator - only put the blank)
- 14. A community of interacting organisms
- 15. Animals that have feathers and lay eggs
- 17. The first species to colonize new and/or undisturbed land
- 20. Largest flightless bird
- 21. It’s what leads to biodiversity
Down
- 1. The type of pyramid that describes how energy flows in an ecosystem
- 3. An animal that eats plants
- 5. When every member of a species dies out
- 6. The type of consumers that are placed 3rd to last in the energy-flowing pyramid
- 7. Animals with fur and don’t lay eggs
- 10. The type of consumers that are placed second to bottom of the energy-flowing pyramid
- 11. An animal that eats meat
- 16. An animal that is eaten by a higher being
- 17. The establishment of a community in a bare area without topsoil
- 18. Animals with scales that lay eggs
- 19. The measure of diversity within an ecosystem
- 22. The re-establishment of a community on existing topsoil
