Ecosystems: Question Preview (ID: 21957)

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The living things in an ecosystem are called...
a) biotic factors b) abiotic factors c) sunlight d) wind
Organisms that can make their own food from sunlight or chemicals are called....
a) autotrophs b) heterotrophs c) consumers d) decomposers
Which would show and example of a food chain from producer to top consumer
a) grass - rat - snake - eagle b) grass - snake - eagle - rat c) eagle - snake - rat - grass d) rat - snake - eagle - grass
Organisms that have to get their food from another source are called...
a) producers b) consumers c) autotrophs d) diatoms
What are some examples of decomposers?
a) bacteria and fungi b) moss and lichen c) ants and flies d) rats and rabbits
In a prairie ecosystem, a hawk would be considered....
a) a secondary consumer b) a primary consumer c) a producer d) a decomposer
Which organisms trap sunlight and convert it to energy?
a) Producers b) Decomposers c) Carnivore d) Consumers
What is the name for the non-living things in an ecosystem?
a) Abiotic Factors b) Biotic Factors c) Decomposers d) Limiting factors
All of the following are abiotic factors EXCEPT
a) sunlight b) rain c) grass d) soil
All of the following are biotic factors EXCEPT
a) water b) grass c) trees d) bacteria
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