FORESTRY
ECOLOGY AND ENVIRONMENT
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 Question 
 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
 
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 Which of the following lists include only biotic parts of an ecosystem? 
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  Rain, Grass, Temperature, Mice 
 
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  Sand, Air, Water, Sunlight 
 
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  Tree, Grass, Bear, Bird 
 
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  Bacteria, Soil, Minerals, Worms 
 
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 Explanation: 
Detailed explanation-1: -Biotic components include plants, animals, decomposers. Nonliving components include air, water, land.
Detailed explanation-2: -Like all ecosystems, aquatic ecosystems have five biotic or living factors: producers, consumers, herbivores, carnivores, omnivores, and decomposers.
Detailed explanation-3: -The correct answer is D. Abiotic features came from non-living things or components of the environment. These features include precipitation, water, rocks, wind, salinity, temperature, altitude, soil, nutrients, pH, and sunlight.
 There is 1 question to complete.