1. A close relationship between two different species that benefits at least one of those species. SYMBIOSIS

2. MUTUALISM A relationship in which BOTH species benefit.

3. MUTUALISM EXAMPLES

4. How does the sea anemone benefit? ______________________________________________________________ How does the clown fish benefit? _______________________________________________________________

5. MUTUALISM EXAMPLES

6. CLOSE UP OF POLLEN STICKING TO BEE

7. MUTUALISM EXAMPLES How does the flower benefit? ______________________________________________________________ How does the bee benefit? _______________________________________________________________

8. MUTUALISM REGULAR SHELL Shell with anemone growing on it

9. MUTUALISM How is the hermit crab affected? ___________________________ How is the sea anemone affected? ___________________________

10. MUTUALISM EXAMPLES

11. How does the Nile crocodile benefit? ______________________________________________________________ How does the Egyptian Plover benefit? _______________________________________________________________

12. MUTUALISM EXAMPLES C -Kim Cabrera

13. MUTUALISM EXAMPLES How does the Bear benefit? ______________________________________________________________ How does the blackberry plant benefit? _______________________________________________________________

14. THINK –PAIR-SHARE 1.Turn to another student discuss the examples of mutualism that we just covered. 2.What example of mutualism did we see in our video clips? 3.Can you each name another mutualistic relationship?

15. PARASITISM A relationship between two different species where ONE species benefits, the other is HARMED.

16. PARASITISM Tomato Hornworm and wasp “babies” hatching

17. Dracoid Wasp

18. PARASITISM Which species is harmed? _______________________________________ How is it harmed?_____________________________________ __ Which species benefits? _______________________________________ How does it benefit? _______________________________________

19. PARASITISM

20. Which species is harmed? _______________________________________ How is it harmed?__________________________________ _____ Which species benefits? _______________________________________ How does it benefit? _______________________________________

21. PARASITISM

23. Which species is harmed? _______________________________________ How is it harmed?__________________________________ _____ Which species benefits? _______________________________________ How does it benefit? _______________________________________

24. PARASITISM

25. Mistletoe sinks its roots into a host tree and leeches nutrients from the tree to supplement its own photosynthesis.

26. PARASITISM Which species is harmed? _______________________________________ How is it harmed?__________________________________ _____ Which species benefits? _______________________________________ How does it benefit? _______________________________________

27. THINK –PAIR-SHARE 1.Turn to another student discuss the examples of parasitism that we just covered. 2.What example of parasitism did we find in our information text? 3.Can you each name another parasitic relationship?

28. COMMENSALISM A relationship between two species in which ONE species benefits and the other is neither helped or harmed.

29. COMMENSALISM

30. How does the shark benefit? ______________________________________________________________ How does the remora fish benefit? ______________________________________________________________

31. COMMENSALISM

32. How is the cow affected? ___________________________ How is the cattle egret affected? ___________________________

33. WHAT IS A BARNACLE? Barnacles are small animals, which "glue" themselves to rocks, piers, ships, and even turtles and whales. Inside its hard shell, the barnacle has a soft, shrimp-like body. At feeding time, the animal opens its shell at the top, sticks out three pairs of feathery legs, and waves them back and forth to capture small food particles.

34. WHAT IS A BARNACLE?

35. COMMENSALISM

36. How is the barnacle affected? ___________________________ How is the whale affected? ___________________________

37. COMMENSALISM Burdock Flower and Seeds

38. COMMENSALISM

39. How is the Burdock plant affected? ___________________________ How is the dog affected? ___________________________

40. THINK –PAIR-SHARE 1.Turn to another student discuss the examples of commensalism that we just covered. 2.What example of commensalism did we see in our video clips? 3.Can you each name another commensalistic relationship?

41. REVIEW