| 1. | A closed ecological system must contain at least one autotrophic organism.
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| 2. | The longer lived, more prominent autotrophic plant is the gametophyte.
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| 3. | Most lithotrophic organisms are autotrophic, whereas organotrophic organisms are heterotrophic.
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| 4. | Together these are phylogenetically the closest known autotrophic organisms to apicomplexans.
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| 5. | Since moss gametophytes are autotrophic they require enough sunlight to perform photosynthesis.
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| 6. | All of these products can be used by autotrophic methanogens.
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| 7. | The process of succession starts when autotrophic organisms start living in the rocks.
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| 8. | Most photosynthetic microbes are autotrophic, fixing carbon dioxide via the Calvin cycle.
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| 9. | It can easily adapt between heterotrophic and autotrophic lifestyles.
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| 10. | Primary production occurs in autotrophic organisms of an ecosystem.
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