A heterotroph is an organism that eats other plants or animals for energy and nutrients. The term stems from the greek words hetero for “ other ” and trophe for “ nutriment. ”
Organisms are characterized into two broad categories based upon how they obtain their energy and nutrients : autophyte and heterotroph. Autotrophs are known as producers because they are able to make their own food from raw materials and energy. Examples include plants, alga, and some types of bacteria. Heterotrophs are known as consumers because they consume producers or other consumers. Dogs, birds, pisces, and humans are all examples of heterotroph .
Heterotrophs occupy the second and third levels in a food chain, a sequence of organisms that provide energy and nutrients for other organisms. Each food chain consists of three trophic levels, which describe an organism ’ second character in an ecosystem. Occupying the first trophic flat are autophyte, such as plants and alga. Herbivores—organisms that eat plants—occupy the second level. Carnivores ( organisms that consume kernel ) and omnivores ( organisms that corrode plants and kernel ) occupy the third gear floor. Both primary ( herbivores ) and secondary ( carnivores and omnivores ) consumers are heterotrophs, while primary producers are autophyte .
A third base type of heterotrophic consumer is a detritivore. These organisms obtain food by feeding on the remains of plants and animals angstrom well as faecal matter. Detritivores play an significant function in maintaining a healthy ecosystem by recycling waste. Examples of detritivores include fungi, worms, and insects.

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There are two subcategories of heterotroph : photoheterotrophs and chemoheterotrophs. Photoheterotrophs are organisms that get their energy from unaccented, but must still consume carbon from early organisms, as they can not utilize carbon dioxide from the air. Chemoheterotrophs, by contrast, get both their energy and carbon paper from other organisms.

A major difference between autophyte and heterotroph is that the early are able to make their own food by photosynthesis whereas the latter can not. photosynthesis is a action that involves making glucose ( a sugar ) and oxygen from water and carbon paper dioxide using department of energy from sunlight. Autotrophs are able to manufacture energy from the sun, but heterotroph must rely on early organisms for energy.

Another major remainder between autophyte and heterotroph is that autophyte have an important pigment called chlorophyll, which enables them to capture the energy of sunlight during photosynthesis, whereas heterotroph do not. Without this pigment, photosynthesis could not occur .
Heterotrophs profit from photosynthesis in a kind of ways. They depend on the serve for oxygen, which is produced as a by-product during photosynthesis. furthermore, photosynthesis sustains the autophyte that heterotrophs depend on to survive. While flesh-eating carnivores may not directly depend on photosynthetic plants to survive, they do depend on other animals that consume photosynthetic plants as a food generator .

reference : https://livingcorner.com.au
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