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Life Science

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Term
Definition
_________ studies the relationship of organisms with their physical environment. Physical Environment includes( light, heat, solar radiation, moisture, wind, oxygen, carbon dioxide, nutrients, water, atmosphere).   Ecology  
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The ______ describes living and nonliving organisms in the ecosystem.   Biological Environment  
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What are the three main components of an ecosystem?   Producers, Consumers, Decomposers  
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____ are green plants that produce oxygen and store chemical energy for consumers.   Producers  
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____ are animals, both herbivores and carnivores.   Consumers  
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The__ take the chemical energy from plants.   Herbivores  
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The ____ take the energy from other animals or directly from plants.   Consumers  
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_____ like fungi and bacteria, are in charge of cleaning up the environment by decomposing and freeing dead matter for recycling back into the ecosystem.   Decomposers  
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The ____ which occurs between animals as well as between plants, ensures the survival of the fittest and the preservation of the system.   Competition  
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_______ is the consumption of one living organism, plant or animal, by another. It's a direct way to control population and promote natural selection by eliminating weak organisms from the population.   Predation  
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