Ecosystem Relationships and Changes

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Across
  1. 5. The last stage of succession.
  2. 10. A species that comes into an ecosystem and hurts the balance.
  3. 14. When organisms share parts of a tree, so they can all coexist.
  4. 16. A barnacle living on a whale.
  5. 17. Can be determined using growth rings.
  6. 18. When to species adapt together (like predator-prey)
  7. 20. Eats only plants
  8. 21. Is an example of a parasite that can make you sick.
  9. 22. A hummingbird pollinating flowers while it gets food from the flower.
  10. 23. Lions and hyenas relationship.
  11. 25. Causes secondary succession where only soil remains.
Down
  1. 1. Eats only meat
  2. 2. Makes a host sick
  3. 3. Fuction of an organism in its ecosystem.
  4. 4. The variety of life in an ecosystem
  5. 6. Eats both plants and animals
  6. 7. Eats another organism for food
  7. 8. The pioneer species in most primary successions.
  8. 9. An intermediate species after succession.
  9. 11. The population of predators will __________ if the prey population decreases.
  10. 12. Represented by the dark rings on a tree cookie.
  11. 13. The base of every food chain.
  12. 15. A flowering plant or tree.
  13. 19. A species that is really important to the survival of other species
  14. 24. Is eaten for food.