Photosynthetic organisms that manufacture organic substances (plants)
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What is a consumer?
Organisms that obtain their energy bu feeding on other organisms rather than using energy of sunlight directly (animals)
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What is a decomposer?
Microorganisms that break down complex materials into simple compenants again, releasing minerals and elements that can be absorbed by plants again (fungi and bacteria)
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What is the negative of food chains?
Relationships are not fixed as they can change depending on time of year, age, and population size
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