The main difference is that an auto-meaning by itself,or on its on produces, food on its own....
plants of course is one example because through photosynthesis they create their own food with sun and water thus creating starch..
and heterotrophs have to obtain their own food by eating other organisms... obviously humans are heterotrophs because our bodies doesn't create its own food. we have to ingest it from an external source.
2006-10-30 10:53:53
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answer #1
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answered by Dr. PHILlis (in training) 5
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Autotrophs are organisms which synthesise their own food. There are two types of autotrophs: photo-autotrophs use the sun's energy directly to make food and energy; chemo-autotrophs use chemical energy to make their own food. Plants would be an example of the first type; bacteria are examples of the second type. As autotrophs make their own food/energy directly, they are at the base of the food chain, and hence, known as primary producers. Heterotrophs must eat other organisms to grow, develop, reproduce and maintain order. They are higher up on the food chain, and can be broken down further into herbivores, omnivores and carniovores (top of the food chain, eat herbivores onmivores and other carnivores).
2006-10-30 11:44:03
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answer #2
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answered by wq.alpha 2
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An autotroph creates it's own food products, also called a "producer"
Heterotrophs, or "consumers" need sustenance from another source.
Humans are heterotrophs, because we need to eat food and drink water.
Some bacteria and plants are autotrophs, because they produce most of their own nutrients through photosynthesis (for plants) or similar reactions. Hope that helps.
2006-10-30 10:48:18
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answer #3
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answered by n8.nate 2
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autotroph is something that produces its own food..such as plants and some blue green algaes. during photosynthesis, they produce glucose and some of them they consume
as heterotroph, theyconsume food which was produced by plants and other autotroph.
2006-10-30 10:44:23
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answer #4
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answered by wxy0062003 2
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autotrophs are organisms that produce their own food- they take in solar enery and convert it to chemical energy. examples are plants, some bacteria and protists
heterotrophs are organisms that do not produce their own food but depend on other organisms for their food- they live off chemical energy. examples are u, me, animals, some fungi and protists
2006-10-30 12:54:17
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answer #5
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answered by Daisy 2
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autotroph is a self feeder( only depends on its self) hetertrophs depend on others troph- food, nourishment
hetero- other
auto-self
2006-10-30 10:45:28
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answer #6
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answered by Anonymous
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