1. Biotic and Abiotic Factors
A bird:
Biotic or Abiotic? Biotic
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2. Biotic and Abiotic Factors
A bird’s nest:
Biotic or Abiotic? Biotic
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3. Biotic and Abiotic Factors
Fungii:
Biotic or Abiotic? Biotic
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4. Biotic and Abiotic Factors
Pebbles:
Biotic or Abiotic? Abiotic
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5. Biotic and Abiotic Factors
A shoelace:
Biotic or Abiotic? Abiotic
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6. Biotic and Abiotic Factors
An elephant:
Biotic or Abiotic? Biotic
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7. Biotic and Abiotic Factors
Elephant poop:
Biotic or Abiotic? Biotic
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8. Biotic and Abiotic Factors
Elephant remains:
Biotic or Abiotic? Biotic
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9. Biotic and Abiotic Factors
Elephant footprint:
Biotic or Abiotic? Abiotic
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10. Biotic and Abiotic Factors
Wind:
Biotic or Abiotic? Abiotic
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11. Biotic and Abiotic Factors
Temperature:
Biotic or Abiotic? Abiotic
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12. Biotic and Abiotic Factors
Grass:
Biotic or Abiotic? Biotic
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13. Biotic and Abiotic Factors
Sand/Dirt:
Biotic or Abiotic? Abiotic
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14. Biotic and Abiotic Factors
Rain/A Lake:
Biotic or Abiotic? Abiotic
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15. Biotic and Abiotic Factors
Coral:
Biotic or Abiotic? Biotic
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16. Biotic and Abiotic Factors
Biotic factors are living things, their
remains, and physical features
associated with their activites.
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17. Biotic and Abiotic Factors
Abiotic factors are non-living
physical and chemical components
of an ecosystem.
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18. Think. Pair. Share.
Put the following groupings in order from smallest to
largest:
- Ecosystem
- Organism
- Biosphere
- Community
- Population
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19. Ecosystem Hierarchy
Individual organisms of different types live in
an ecosystem.
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20. Ecosystem Hierarchy
All of the organisms of the same species in
an area form a population.
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21. Ecosystem Hierarchy
Individuals from all of the populations form a
community.
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22. Ecosystem Hierarchy
An ecosystem is a community and its
interactions with its abiotic environment.
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23. Ecosystem Hierarchy
Larger
Smaller 23

24. Ecosystem Hierarchy
Larger
Smaller 24

25. Ecosystem Review – DO NOT COPY
What are the abiotic and biotic
features of the boreal forest?
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26. Ecosystem Review – DO NOT COPY
What are the abiotic and biotic
features of the boreal forest?
Abiotic features:
•Long, cold winter season
•Warm summers
•Moderate rainfall
•Much of the precipitation is snow
•Snow insulates and protects ground
species
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27. Ecosystem Review – DO NOT COPY
What are the abiotic and biotic
features of the boreal forest?
Biotic features:
•Few species
•Mainly black spruce forest and bogs
•Black bears, red squirrels, and moose
•Many biting flies
•Reduced ecosystem productivity due
to short growing season
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28. Ecosystem Review – DO NOT COPY
What are the abiotic and biotic
features of a beaver pond?
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29. Ecosystem Review – DO NOT COPY
What are the abiotic and biotic
features of a beaver pond?
Abiotic features:
•Shallow water
•Warm water in summer, ice-
covered in winter
•Temporary, but lasting years to
decades
•May break, causing flooding
downsteam
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30. Ecosystem Review – DO NOT COPY
What are the abiotic and biotic
features of a beaver pond?
Biotic features:
•Community of plants, fish, frogs,
turtles, insects, and beavers
•Surrounding forest is a food
supply for the beavers
•Flooding kills trees, which are
then used by species as food or
shelter.
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31. Sustainability
What does it mean to sustain something?
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32. Sustainability
A sustainable ecosystem is an ecosystem that
maintains itself through natural ecological
processes.
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33. Sustainability
It can stay the same and preserve itself over a long
period of time.
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34. Sustainability
Are we living sustainably?
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35. Sustainability
What are some ways humans are making some ecosystems
unsustainable?
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36. Sustainability
Examples:
Littering
Polluting
Logging
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37. Sustainability
Humans can also make artificial
ecosystems which are not
sustainable. We must maintain
them ourselves.
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38. Sustainability
We are all connected to the ecosystems we live in
and they influence many aspects of our lives.

39. Sustainability
Ecosystems provide wealth for many people, and
can affect our health and our moods.
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40. Sustainability
What are 2 ways that ecosystems affect our:
•Wealth?
•Health?
•Moods?
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41. Sustainability
What are 2 ways ecosystems affect our:
•Wealth?
- Wood and forestry industry.
- Mining industries.
•Health?
-People living in smoggy cities more likely to have asthma.
-People that live at high altitudes breathe thinner air and have
more red blood cells.
•Moods?
Some ecosystems experience longer winters or more rainy days:
- Seasonal Affective Disorder (SAD): depression caused by
increasing dark hours and drop in temperature that comes with
fall/winter.
- Rainy day “blahs” versus bright sunny days.
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