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Ecology: Video Short

Ecology: Full Show

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Ecology [ē-'kä-lə-jē]
The study of the relationship between living and non-living things and their environment.

Ecologists study how living and nonliving parts of the environment interact with and depend on each other. The living and non-living things all together in a particular area are called an ecosystem. An ecosystem can be small or large — like a puddle in your backyard or a huge forest. If one part of a system is changed or removed, lots of other parts can be affected. Ecologists study the changes in ecosystems to see what effect they have on the plants and animals that live there. Some changes, like ash from erupting volcanos, have occurred over millions of years. Others, like people building houses or planting crops, are much more recent.

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