This document introduces ecosystems and defines what constitutes an ecosystem. It provides various examples of ecosystems from different biomes and environments around the world, from rainforests to tundra to sea floors to fallen trees. The document explains that an ecosystem is all of the organisms that live in a region and interact with each other and their surroundings. It notes that cities and even schools can be considered ecosystems. It then introduces the concepts of biotic factors (living components) and abiotic factors (non-living components) that make up ecosystems.

1. Ecosystems

2. Introduction to Ecosystems
Ecology – the study of how organisms interact
with each other.

3. Introduction to Ecosystems
What is an ecosystem?
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4. Introduction to Ecosystems
Is the Rain Forest an Ecosystem?
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5. Introduction to Ecosystems
Is the Kalahari Desert an Ecosystem?
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6. Introduction to Ecosystems
Is this African savannah an Ecosystem?
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7. Introduction to Ecosystems
Is Ontario’s boreal forest an Ecosystem?
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8. Introduction to Ecosystems
Is the tundra an ecosystem?
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9. Introduction to Ecosystems
Is Antarctica an ecosystem?
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10. Introduction to Ecosystems
Is this sea floor an ecosystem?
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11. Introduction to Ecosystems
Is this fallen tree an ecosystem?
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12. Introduction to Ecosystems
Is this beaver pond an ecosystem?
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13. Introduction to Ecosystems
They are all ecosystems.
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14. Introduction to Ecosystems
An ecosystem is all of the
organisms that live in a region and
interact with each other and their
surroundings.
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15. Introduction to Ecosystems
Toronto could be
considered an
ecosystem.
Our school could
even be
considered an
ecosystem for
whatever lives
here.
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16. Biotic and Abiotic Factors
Within an ecosystem are its living and
non-living components.
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17. Biotic and Abiotic Factors
These components can be separated
into biotic and abiotic factors.
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