1. What are the relationships between organisms in an ecosystem?

2. Vocabulary (Add to the top of the page)
Niche:

3. Vocabulary (Add to the top of the page)
Niche: the role or “job” an organism plays in an ecosystem

4. Producer/Consumer Relationships
Producer – all _______________; trap energy from the sun
Ex: plants, green algae, phytoplankton

5. Producer/Consumer Relationships
Producer – all autotrophs; trap energy from the sun
Ex: plants, green algae, phytoplankton

6. Producer/Consumer Relationships
Producer – all autotrophs; trap energy from the sun
Ex: plants, green algae, phytoplankton
Consumer – all _______________: they ingest food containing the sun’s energy

7. Producer/Consumer Relationships
Producer – all autotrophs; trap energy from the sun
Ex: plants, green algae, phytoplankton
Consumer – all heterotrophs: they ingest food containing the sun’s energy

8. Producer/Consumer Relationships
Producer – all autotrophs; trap energy from the sun
Ex: plants, green algae, phytoplankton
Consumer – all heterotrophs: they ingest food containing the sun’s energy
Primary consumers:
Herbivores – eat ___________
Ex: rabbit, caterpillar

9. Producer/Consumer Relationships
Producer – all autotrophs; trap energy from the sun
Ex: plants, green algae, phytoplankton
Consumer – all heterotrophs: they ingest food containing the sun’s energy
Primary consumers:
Herbivores – eat plants
Ex: rabbit, caterpillar

10. Producer/Consumer Relationships
Producer – all autotrophs; trap energy from the sun
Ex: plants, green algae, phytoplankton
Consumer – all heterotrophs: they ingest food containing the sun’s energy
Primary consumers:
Herbivores – eat plants
Ex: rabbit, caterpillar
Secondary, tertiary, etc….consumers
Carnivores – eat __________

11. Producer/Consumer Relationships
Producer – all autotrophs; trap energy from the sun
Ex: plants, green algae, phytoplankton
Consumer – all heterotrophs: they ingest food containing the sun’s energy
Primary consumers:
Herbivores – eat plants
Ex: rabbit, caterpillar
Secondary, tertiary, etc….consumers
Carnivores – eat meat

12. Producer/Consumer Relationships
Producer – all autotrophs; trap energy from the sun
Ex: plants, green algae, phytoplankton
Consumer – all heterotrophs: they ingest food containing the sun’s energy
Primary consumers:
Herbivores – eat plants
Ex: rabbit, caterpillar
Secondary, tertiary, etc….consumers
Carnivores – eat meat
Omnivores – eat ___________

13. Producer/Consumer Relationships
Producer – all autotrophs; trap energy from the sun
Ex: plants, green algae, phytoplankton
Consumer – all heterotrophs: they ingest food containing the sun’s energy
Primary consumers:
Herbivores – eat plants
Ex: rabbit, caterpillar
Secondary, tertiary, etc….consumers
Carnivores – eat meat
Omnivores – eat both (plants and meat)

14. Producer/Consumer Relationships
Producer – all autotrophs; trap energy from the sun
Ex: plants, green algae, phytoplankton
Consumer – all heterotrophs: they ingest food containing the sun’s energy
Primary consumers:
Herbivores – eat plants
Ex: rabbit, caterpillar
Secondary, tertiary, etc….consumers
Carnivores – eat meat
Omnivores – eat both (plants and meat)
Decomposers – _________________dead matter into simpler molecules that can be absorbed
Ex: fungi

15. Producer/Consumer Relationships
Producer – all autotrophs; trap energy from the sun
Ex: plants, green algae, phytoplankton
Consumer – all heterotrophs: they ingest food containing the sun’s energy
Primary consumers:
Herbivores – eat plants
Ex: rabbit, caterpillar
Secondary, tertiary, etc….consumers
Carnivores – eat meat
Omnivores – eat both (plants and meat)
Decomposers – break down dead matter into simpler molecules that can be absorbed
Ex: fungi

16. Predator/Prey  Predation
Relationship in which one organism _____________ and one ___________

17. Predator/Prey  Predation
Relationship in which one organism benefits and one dies

18. Predator/Prey  Predation
Relationship in which one organism benefits and one dies
Living organism =

19. Predator/Prey  Predation
Relationship in which one organism benefits and one dies
Living organism = predator (hunting, hunter)

20. Predator/Prey  Predation
Relationship in which one organism benefits and one dies
Living organism = predator (hunting, hunter)
Dead organism =

21. Predator/Prey  Predation
Relationship in which one organism benefits and one dies
Living organism = predator (hunting, hunter)
Dead organism = prey (hunted)

22. Predator/Prey  Predation
Relationship in which one organism benefits and one dies
Living organism = predator (hunting, hunter)
Dead organism = prey (hunted)
Ex: Lion and Zebra

23. Predator/Prey  Predation
Relationship in which one organism benefits and one dies
Living organism = predator (hunting, hunter)
Dead organism = prey (hunted)
Ex: Lion and Zebra
Other examples?

24. Symbiosis
________________________________________________________ ________________________________________________________

25. Symbiosis
Two or more different species living together (interactions)

26. Symbiosis Two or more different species living together (interactions)
3 relationships:

27. Symbiosis Two or more different species living together (interactions)
3 relationships:
Mutualism

28. Symbiosis Two or more different species living together (interactions)
3 relationships:
Mutualism
Parasitism

29. Symbiosis Two or more different species living together (interactions)
3 relationships:
Mutualism
Parasitism
Commensalism

30. Note (add to the page somewhere)
Neutralism IS NOT a symbiotic relationship

31. Mutualism
Relationship in which both organisms ______________

32. Mutualism
Relationship in which both organisms benefit

33. Mutualism Relationship in which both organisms benefit
Ex: cows and white headed cow bird (bird eats insects off cow, preventing illness)

34. Mutualism Relationship in which both organisms benefit
Ex: cows and white headed cow bird (bird eats insects off cow, preventing illness)
Other examples?

35. Parasitism
Relationship in which one organism ____________ and one is ______________

36. Parasitism
Relationship in which one organism benefits and one is harmed

37. Parasitism
Relationship in which one organism benefits and one is harmed
Ex: fleas and dogs, mosquitoes and humans

38. Parasitism
Relationship in which one organism benefits and one is harmed
Ex: fleas and dogs, mosquitoes and humans
Other examples?

39. Commensalism
Relationship in which one organism ____________ and the other organism is ___________________________________

40. Commensalism
Relationship in which one organism benefits and the other organism is neither helped nor harmed

41. Commensalism
Relationship in which one organism benefits and the other organism is neither helped nor harmed
Ex: whales and barnacles

42. Commensalism
Relationship in which one organism benefits and the other organism is neither helped nor harmed
Ex: whales and barnacles
Other examples?

43. Competition __________________________

44. Competition for the same limiting resources

45. Competition for the same limiting resources
Instraspecific Competition– organisms of the __________ species fight for the same resource.

46. Competition for the same limiting resources
Intraspecific competition – organisms of the same species fight for the same resource.
Ex: two bucks competing for a mate

47. Competition for the same limiting resources
Intraspecific competition – organisms of the same species fight for the same resource.
Ex: two bucks competing for a mate
Interspecific competition – organisms of _____________ species fight for the same resource

48. Competition for the same limiting resources
Intraspecific competition – organisms of the same species fight for the same resource.
Ex: two bucks competing for a mate
Interspecific competition – organisms of different species fight for the same resource
Ex: seals and sea lions compete for fish