1. 2-1 Ecosystems: Everything’s Connected
Unit 2: Living Things in Ecosystems
2-1 Ecosystems: Everything’s Connected
2- Living Things in Ecosystems

2. 2- Living Things in Ecosystems
Homework
Distinguish between biotic and abiotic factors.
Explain the terms population and community.
Distinguish between habitat and niche.
2- Living Things in Ecosystems

3. 2- Living Things in Ecosystems
What is an Ecosystem?
2- Living Things in Ecosystems

4. 2- Living Things in Ecosystems
What is an Ecosystem?
An ecosystem includes all of the different organisms living in a certain area, along with their physical environment.
2- Living Things in Ecosystems

5. 2- Living Things in Ecosystems

6. Biotic and Abiotic Factors
2- Living Things in Ecosystems

7. Biotic and Abiotic Factors
An Ecosystem is Has Biotic and Abiotic Factors
2- Living Things in Ecosystems

8. Biotic and Abiotic Factors
An Ecosystem is Has Biotic and Abiotic Factors
Biotic Factors
2- Living Things in Ecosystems

9. Biotic and Abiotic Factors
An Ecosystem is Has Biotic and Abiotic Factors
Biotic Factors
All living things
2- Living Things in Ecosystems

10. Biotic and Abiotic Factors
An Ecosystem is Has Biotic and Abiotic Factors
Biotic Factors
All living things
Abiotic
2- Living Things in Ecosystems

11. Biotic and Abiotic Factors
An Ecosystem is Has Biotic and Abiotic Factors
Biotic Factors
All living things
Abiotic
Non-living parts of an ecosystem
2- Living Things in Ecosystems

12. 2- Living Things in Ecosystems
Interconnected
2- Living Things in Ecosystems

13. 2- Living Things in Ecosystems
Interconnected
Individuals
2- Living Things in Ecosystems

14. 2- Living Things in Ecosystems
Interconnected
Individuals
One organism
2- Living Things in Ecosystems

15. 2- Living Things in Ecosystems
Interconnected
Individuals
One organism
Population
2- Living Things in Ecosystems

16. 2- Living Things in Ecosystems
Interconnected
Individuals
One organism
Population
Group of organisms of the same species.
2- Living Things in Ecosystems

17. 2- Living Things in Ecosystems
Interconnected
Individuals
One organism
Population
Group of organisms of the same species.
Community
2- Living Things in Ecosystems

18. 2- Living Things in Ecosystems
Interconnected
Individuals
One organism
Population
Group of organisms of the same species.
Community
All organisms interacting together
2- Living Things in Ecosystems

19. 2- Living Things in Ecosystems
Interconnected
Individuals
One organism
Population
Group of organisms of the same species.
Community
All organisms interacting together
Ecosystem
2- Living Things in Ecosystems

20. 2- Living Things in Ecosystems
Interconnected
Individuals
One organism
Population
Group of organisms of the same species.
Community
All organisms interacting together
Ecosystem
All organisms interacting together and the abiotic factors
2- Living Things in Ecosystems

21. 2- Living Things in Ecosystems
Interconnected
Individuals
One organism
Population
Group of organisms of the same species.
Community
All organisms interacting together
Ecosystem
All organisms interacting together and the abiotic factors
Biosphere
2- Living Things in Ecosystems

22. 2- Living Things in Ecosystems
Interconnected
Individuals
One organism
Population
Group of organisms of the same species.
Community
All organisms interacting together
Ecosystem
All organisms interacting together and the abiotic factors
Biosphere
The living portion of Earth
2- Living Things in Ecosystems

23. 2- Living Things in Ecosystems
Individuals
2- Living Things in Ecosystems

24. 2- Living Things in Ecosystems
Individuals
An individual organism is one living thing.
2- Living Things in Ecosystems

25. 2- Living Things in Ecosystems
Individuals
An individual organism is one living thing.
2- Living Things in Ecosystems

26. 2- Living Things in Ecosystems
Individuals
An individual organism is one living thing.
The bison, pictured here, is an individual organism.
2- Living Things in Ecosystems

27. 2- Living Things in Ecosystems
Individuals
An individual organism is one living thing.
The bison, pictured here, is an individual organism.
It is part of a larger group.
2- Living Things in Ecosystems

28. 2- Living Things in Ecosystems
Population
2- Living Things in Ecosystems

29. 2- Living Things in Ecosystems
Population
The population of bison can be a family unit and is a small part of the larger community.
2- Living Things in Ecosystems

30. 2- Living Things in Ecosystems
Community
2- Living Things in Ecosystems

31. 2- Living Things in Ecosystems
Community
Animals interact in a community.
2- Living Things in Ecosystems

32. 2- Living Things in Ecosystems
Community
Animals interact in a community.
Wolves are part of the community that bison live in.
2- Living Things in Ecosystems

33. 2- Living Things in Ecosystems

34. 2- Living Things in Ecosystems
Ecosystems include all of the organisms living in a certain area.
2- Living Things in Ecosystems

35. 2- Living Things in Ecosystems
Ecosystems include all of the organisms living in a certain area.
Ecosystems include biotic and abiotic factors as well.
2- Living Things in Ecosystems

36. 2- Living Things in Ecosystems
Niche and Habitat
Niche and habitat are how and where an organism lives.
2- Living Things in Ecosystems

37. 2- Living Things in Ecosystems
Niche and Habitat
Niche and habitat are how and where an organism lives.
Bats live under the bridge and take flight each night to eat corn moths.
2- Living Things in Ecosystems

38. 2- Living Things in Ecosystems
Niche
Goats eat plants that grow in the cracks on the cliff.
2- Living Things in Ecosystems

39. 2- Living Things in Ecosystems
Niche
Goats eat plants that grow in the cracks on the cliff.
Goats are surefooted and can get to these plants.
2- Living Things in Ecosystems

40. 2- Living Things in Ecosystems
Niche
Goats eat plants that grow in the cracks on the cliff.
Goats are surefooted and can get to these plants.
Other animals cannot, this makes it the mountain goat’s niche.
2- Living Things in Ecosystems

41. 2- Living Things in Ecosystems
Niche
Goats eat plants that grow in the cracks on the cliff.
Goats are surefooted and can get to these plants.
Other animals cannot, this makes it the mountain goat’s niche.
The cliff is its habitat.
2- Living Things in Ecosystems

42. 2- Living Things in Ecosystems
Niche
Sea otters hunt fish and eat clams and anemones.
2- Living Things in Ecosystems

43. 2- Living Things in Ecosystems
Niche
Sea otters hunt fish and eat clams and anemones.
They live in communities and are considered playful.
2- Living Things in Ecosystems

44. 2- Living Things in Ecosystems
Niche
Sea otters hunt fish and eat clams and anemones.
They live in communities and are considered playful.
Sea otters eat will floating on their backs in the water.
2- Living Things in Ecosystems

45. 2- Living Things in Ecosystems
Habitat
2- Living Things in Ecosystems

46. 2- Living Things in Ecosystems
Habitat
Habitat is the actual place where an organism lives.
2- Living Things in Ecosystems

47. 2- Living Things in Ecosystems
Habitat
Habitat is the actual place where an organism lives.
A kelp forest has many components.
2- Living Things in Ecosystems

48. 2- Living Things in Ecosystems
Habitat
Habitat is the actual place where an organism lives.
A kelp forest has many components.
Water
2- Living Things in Ecosystems

49. 2- Living Things in Ecosystems
Habitat
Habitat is the actual place where an organism lives.
A kelp forest has many components.
Water
Temperature
2- Living Things in Ecosystems

50. 2- Living Things in Ecosystems
Habitat
Habitat is the actual place where an organism lives.
A kelp forest has many components.
Water
Temperature
Other organisms to feed on
2- Living Things in Ecosystems