1. Ecosystems

2. Review:

4. SYMBIOSIS

5. When both organisms benefit from the relationship.
MUTUALISM
When both organisms benefit from the relationship.
+ +

6. Ex. Plants and insects

7. Ex. Plants and birds

8. Seeds are dispersed when the bird poops.

9. Ex. African ants and Acacia tree

10. Black Rhino and Red-billed Oxpeckers

11. Nile Crocodile and Egyptian Plover

12. Lichens
Fungus and Plant

13. When one organism benefits and the other is unaffected.
commensALISM
When one organism benefits and the other is unaffected.
+ o

14. Clown Fish and Anemone

15. Cows and Cattle Egrets

16. Whales and Barnacles

17. Mimicry

18. When one organism benefits (parasite) but the other is harmed (host)
ParasitISM
When one organism benefits (parasite) but the other is harmed (host)
+ -

19. Flea

20. Tick

21. Leech

22. Round Worms

23. Tapeworm