1. Ecosystem Organization
(c) 2012 S. Coates

2. Ecosystem Organization
An ecosystem is made up of all the LIVING and NON-LIVING parts of an area.
As you revel each picture on this slide have students identify if it is a picture or living or non-living objects.
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3. Ecosystem Organization
The living parts of an ecosystem are called BIOTIC FACTORS.
Biotic factors include any item that comes from a living organism, like eggs, fur, feces, feathers, snake skin, etc.
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4. Ecosystem Organization
The non- living parts of an ecosystem are called ABIOTIC FACTORS.
Abiotic factors include temperature, wind, sunlight, fresh water, salt water, rainfall, etc. in an area
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5. Ecosystem Organization
The organisms in an ecosystem can be organized into groups.
From simple to complex, the groups are:
Organism
Population
Community
Ecosystem/Biome
Biosphere
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6. Ecosystem Organization
Organism: an individual member of a species.
Example: An elk
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7. Ecosystem Organization
Population: a group of individuals of the same species that live together.
Example: Herd of elk
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8. Ecosystem Organization
Community: All of the populations of species that live and interact in an area.
Example: Mountain animals--eagles, elk and deer, wolves, bears, mountain lions
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9. Ecosystem Organization
Ecosystem or Biome: Community of organisms plus the abiotic environment of the community.
Example: Mountain animals and forest climate
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10. Ecosystem Organization
Biosphere: The part of Earth where life exists. (From the deepest parts of the ocean to high in the air).
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11. Biosphere
Ecosystem
Community
Population
Organism
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12. Ecosystem Organization
Check your skills. What level does this belong to?
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13. Ecosystem Organization
Check your skills. What level does this belong to?
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14. Ecosystem Organization
Check your skills. What level does this belong to?
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15. Ecosystem Organization
Check your skills. What level does this belong to?
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16. Ecosystem Organization
Check your skills. What level does this belong to?
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17. Ecosystem Organization
Check your skills. What level does this belong to?
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18. Ecosystem Organization
Check your skills. What level does this belong to?
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19. Ecosystem Organization
Check your skills. What level does this belong to?
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20. Ecosystem Organization
Types of Ecosystems:
Temperate Forest
Desert
Urban
Tropical Forest
Marine
Tundra
River
Wetland
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21. Ecosystem Organization
Remember, ecosystems are made up of biotic and abiotic factors.
The abiotic factors determine which biotic factors are in an ecosystem.
For example, in the desert:
Abiotic Factors:
-Little rainfall
-High temps.
-Little humidity
-Sandy soil
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22. Abiotic Factors: -Little rainfall -High temps. -Little humidity
-Sandy soil
These abiotic factors mean that only these biotic factors can exist in a desert area:
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23. Abiotic Factors: -High rainfall -Constant temps. -High humidity
-Wet soil
These abiotic factors mean that only these biotic factors can exist in a rainforest area:
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24. Abiotic factors in an area can be graphed.
For example, this is a graph of the average temperature during each month of the year in Salt Lake City, UT.
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25. For example, this is a graph of the average precipitation during each month of the year in Salt Lake City, UT.
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26. Ecosystem Organization
The average temperature and average precipitation graphs can be shown together in order to see the annual climate statistics…
We call this graph a “climatograph”
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27. Temperature (F) Precipitation (in)
0.50
1.00
1.50
2.00
2.50
3.00
3.50
4.00
4.50
Ave. Precipitation
Temperature (F)
Precipitation (in)
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28. According the graph, what is the hottest month in Nashville, TN?
1.0
2.0
3.0
4.0
5.0
6.0
7.0
0.0
Temperature (F)
Precipitation (in)
8.0
9.0
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Ave. Precipitation

29. According the graph, which month was the most dry?
1.0
2.0
3.0
4.0
5.0
6.0
7.0
0.0
Temperature (F)
Precipitation (in)
8.0
9.0
Ave. Precipitation
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30. Lettuce grows best in temperatures below 65 degrees
Lettuce grows best in temperatures below 65 degrees. During which months should a Nashville resident grow lettuce?
1.0
2.0
3.0
4.0
5.0
6.0
7.0
0.0
Temperature (F)
Precipitation (in)
8.0
9.0
Ave. Precipitation
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31. During which months would you expect to see snow in Buffalo, New York?
Temperature (F)
Precipitation (in)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
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Ave. Precipitation

32. Make a climatograph for this data for Honolulu, HI:
Ave. Temperature (F)
Ave. Precipitation (in)
Jan
73.2
2.31
Feb
73.1
1.99
Mar
74.5
2.02
Apr
76.1
0.63
May
77.8
0.62
Jun
80.2
0.26
Jul
80.8
0.50
Aug
81.9
0.56
Sep
81.5
0.70
Oct
80.0
1.84
Nov
77.6
2.42
Dec
74.8
3.24
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33. ANSWER:
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
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34. Which climatograph shows a desert climate?
8.0
8.0
4.0
4.0
0.0
0.0
0.0
4.0
8.0
0.0
4.0
8.0
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35. Which climate most likely experiences the most humidity in the summer?
8.0
8.0
4.0
4.0
0.0
0.0
0.0
4.0
8.0
0.0
4.0
8.0
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36. Cities new oceans often get a lot of precipitation
Cities new oceans often get a lot of precipitation. Which climate(s) would you expect to be INLAND and away from the ocean?
8.0
8.0
4.0
4.0
0.0
0.0
0.0
4.0
8.0
0.0
4.0
8.0
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37. Which climate experiences the most mild winter (warm temps and little snowfall)?
8.0
8.0
4.0
4.0
0.0
0.0
0.0
4.0
8.0
0.0
4.0
8.0
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38. Ecosystem Organization
Let’s Summarize:
Ecosystems are made up of abiotic and biotic factors
The parts of an ecosystem can be organized into groups:
Species
Population
Community
Ecosystem
Biosphere
Climatographs are graphs that indicate the average temperature and precipitation in a city (and ecosystem)
(c) 2012 S. Coates