Heterotrophic

Heterotrophic refers to organisms that cannot synthesize their own food and rely on complex organic substances for nutrition. These organisms include animals, fungi, and most bacteria. Heterotrophic organisms contrast with autotrophs, which are capable of synthesizing their own food from inorganic substances.

Overview[edit | edit source]

Heterotrophs are organisms that obtain their energy (nutrition) from organic compounds/materials. In other words, they cannot produce their own food, as plants do through photosynthesis, and must instead ingest or absorb it. This is the defining characteristic of heterotrophs and distinguishes them from autotrophs.

Types of Heterotrophs[edit | edit source]

There are several types of heterotrophs:

Saprophytes: These organisms feed on dead and decaying matter. They include fungi and certain types of bacteria.
Parasites: These organisms feed on a host organism, which is harmed by the interaction.
Predators: These organisms hunt and kill other organisms for food.
Herbivores: These organisms feed on plants.
Carnivores: These organisms feed on other animals.
Omnivores: These organisms feed on both plants and animals.

Role in the Ecosystem[edit | edit source]

Heterotrophs play a crucial role in the ecosystem by participating in the food chain. They serve as consumers in the food chain, consuming producers (like plants) or other consumers. This helps to keep the ecosystem balanced and ensures that energy is transferred from one level to the next.

References[edit | edit source]

Heterotrophic Resources
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