Biology

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