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Heterotrophs are dependent on autotrophs for a variety of reasons. The most obvious reason is that autotrophs are the only organisms that can produce organic molecules from inorganic molecules. This means that heterotrophs must consume autotrophs (or the organic molecules they produce) in order to obtain the organic molecules they need to survive.

In addition to this, autotrophs play a vital role in the global carbon and water cycles. They take in carbon dioxide from the atmosphere and use it to produce organic molecules. This helps to remove carbon dioxide from the atmosphere, which would otherwise contribute to global warming. Autotrophs also release water vapor into the atmosphere through the process of transpiration. This helps to regulate the Earth's temperature and keep it habitable for other organisms.

Without autotrophs, the world would be a very different place. Heterotrophs would not be able to survive, and the planet would be uninhabitable for most other organisms.

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David Denton

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Q: Why Heterotrophs are dependent on autotrophs.?
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