1
A biological community of interacting organisms and their physical environment.
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original source of almost all energy in most ecosystems
3
What is allowed to enter/leave both an open system and closed system
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The study of how living things interact with each other and their environment
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Plants, animals, insects, reptiles are all examples of this type of factor (1 word)
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Sunlight, climate, soil, water, and air are examples of this factor. (1 word)
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Scientific explanation for what is occurring.
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1. All the biotic factors (plants, animals, insects, bacteria, etc.) 2. All the abiotic factors (rivers, lakes, streams, air) 3. Area of the planet These are the _____ of an ecosystem
