Vocabulary Book: Ecosystems
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Transcript of Vocabulary Book: Ecosystems
Definition: The study of relationships between organisms and their physical environment
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Ecology
Definition: The world in which an organisms lives is its environment. It includes the living or biotic factors and non-living or abiotic factors.
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Environment
Definition: An organism, such as green plants, that makes its own food by photosynthesis.
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Producer
A producer will convert light energy into chemical energy (sugar) through the process of photosynthesis.
Definition: Organisms such as animals that can not make their own food. They eat other animals or plants to obtain the energy and nutrients they need to survive.
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Consumer
Consumers
(Animals)
Producers
(Plants)
Definition: A community interacting with the non-living parts of its environment.
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Ecosystem
Definition: Large geographic areas that have similar climate and ecosystems.
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Biome
Definition: A model used to show how energy from food passes from one organism to another.
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Food Chain
Definition: A model used to describe a series of overlapping food chains.
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Food Web
Definition: Any biotic or abiotic fact that restricts the number of individuals in a population
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Limiting Factor
The lack of water is a limiting factor when it limits the growth and development of plants.
Definition: The number of individuals per unit of living space.
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Population Density
Definition: The physical location where an organism lives.
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Habitat
Definition: The role of an organism in the ecosystem. Another definition is how an organisms makes its living in a habitat.
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Niche
Definition: A nonliving thing in an ecosystem. Abiotic factors can determine the number and types of organisms in an ecosystem.
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Abiotic Factor
Water
Rocks Temperature
Light
Abiotic Factors
Definition: The living, or once living, that directly or indirectly affect an organisms and it surroundings.
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Biotic Factor
Fish
Bacteria Algae
Plants
Biotic Factors