Living Things and Their Habitats
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This text is excerpted from an original work of the Core Knowledge Foundation.
Ecology is about nature and life. It is about the relationships between living things and their environment. Someone who studies ecology is an ecologist. An ecologist studies living things and the way they relate to their surroundings.
This toad is part of an ecosystem. An ecosystem is like...
This article is based on an original work of the Core Knowledge® Foundation made available through licensing under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. This does not in any way imply that the Core Knowledge Foundation endorses this work. This article is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. https://creativecommons.org/licenses/by-nc-sa/3.0/ 
