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Explain the difference between an autotroph and a heterotroph.

Question

Explain the difference between an autotroph and a heterotroph.

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Solution

Autotrophs and heterotrophs are two types of organisms that differ in how they obtain energy.

  1. Autotrophs: These are organisms that can produce their own food. They do this through a process known as photosynthesis, where they convert light energy, usually from the sun, into chemical energy in the form of glucose (or other sugars). This process requires carbon dioxide and water, and it produces oxygen as a byproduct. Autotrophs include plants, algae, and some types of bacteria.

  2. Heterotrophs: These are organisms that cannot produce their own food. They obtain energy by consuming other organisms, either autotrophs, other heterotrophs, or both. Heterotrophs include animals, humans, fungi, and many types of bacteria.

In summary, the main difference between autotrophs and heterotrophs lies in their energy acquisition: autotrophs produce their own food through photosynthesis, while heterotrophs must consume other organisms to obtain energy.

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