The presence of a large number of one type of organism .............

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............it is a model that shows many different feeding relationships among living organisms

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Eagle is considered as a ...........

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........... it is the harms happen to air, water and soil due to human activities

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.............. they are the scientists who work on restoration projects

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Restoration projects must include restoring of ...............

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The .............  make consumers migrate to search For food

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Prairie it is suitable ecosystem for plant community ecologists to do their researches.

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...........they are a group of living organisms that can make their own food

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Living organisms eat food to get the........... to survive

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............eat these dead organisms and break them down into smaller pieces .

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...............obtain energy directly from sun 

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...........Is any animal that is hunted and eaten by another animal

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The .............  make consumers migrate to search For food

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In ............. process people use the waste materials and make new products instead of going into a landfill.

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...........It is a model that shows one linear set of feeding relationships and energy flow between living organisms. 

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............................ are decomposing organisms.

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Decomposition process takes place on............

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The hawk and snake are   

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............  means rebuilding habitats that are damaged. 

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