| 11. | All heterotrophs depend on autotrophs for their nutrition.
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| 12. | The terms can be used to describe energy transfer in both autotrophs and heterotrophs.
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| 13. | The Betaproteobacteria are highly metabolically diverse and contain chemolithoautotrophs, photoautotrophs, and generalist heterotrophs.
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| 14. | Phototrophs can be either autotrophs or heterotrophs.
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| 15. | Most species of Difflugia are heterotrophs, feeding on organic matter or various prey organisms.
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| 16. | All animals are heterotrophs : they must ingest other organisms or their products for sustenance.
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| 17. | In either case, these two groups are the only heterotrophs known to form colonies.
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| 18. | Most opisthokonts and prokaryotes are heterotrophic; in particular, all animals and fungi are heterotrophs.
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| 19. | Some are leafless myco-heterotrophs.
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| 20. | Heterotrophs are organisms that must feed on others for nourishment and energy ( respiration exceeds production ).
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