Difference Between Autotrophs and Heterotrophs With Examples
In this article, you will learn, what is the basic difference between autotrophs and heterotrophs, what They have an impact on the ecosystem, and what are examples of each.
The main Difference Between Autotrophs and Heterotrophs is that Autotrophs use photosynthesis or chemosynthesis to obtain energy, while Heterotrophs feed on other organisms or organic compounds.
These differences in nutrition have a major impact on ecosystem dynamics and the way organisms interact with each other.
Difference Between Autotrophs and Heterotrophs With Examples
Characteristic | Autotrophs | Heterotrophs |
---|---|---|
They get energy | Through photosynthesis or chemosynthesis | Through the consumption of other organisms or organic compounds |
Nutrition type | Autotroph | heterotrophic |
Inorganic substances used | Carbon dioxide and water | None |
Organic substances used | None | Glucose, lipids, proteins, among others |
Examples of organisms | Plants, algae and some bacteria | Animals, fungi and most bacteria |
What are Autotrophs?
Autotrophs are organisms that can produce their own food from inorganic substances.
These organisms are capable of transforming energy from sunlight into chemical energy through photosynthesis, or, in some cases, they can use inorganic chemicals to produce their food through chemosynthesis. Examples of autotrophs include plants, algae, and some bacteria.
Give 5 Examples of Autotrophs:
Autotrophs (organisms that produce their own food):
- Plants
- Algae
- Cyanobacteria
- Some Bacteria – like sulfur bacteria and nitrifying bacteria.
- Some Archaea – hydrothermal vents, can be autotrophic, using chemical reactions to produce energy.
What are Heterotrophs?
Heterotrophs are organisms that cannot produce their own food and therefore must consume organic substances to obtain the energy and nutrients they need to survive.
These organisms can be primary, secondary or tertiary consumers, depending on their position in the food chain. Heterotrophs include animals, fungi, and most bacteria.
Give 5 Examples of Heterotrophs:
Heterotrophs (organisms that obtain energy by consuming other organisms or organic matter):
- Humans
- Lions
- Mushrooms
- Dogs
- Parasitic Worms
Conclusion
In summary, autotrophs and heterotrophs are two types of organisms that have different ways of obtaining the energy and nutrients they need to live.
Autotrophs are able to produce their own food from inorganic substances using photosynthesis or chemosynthesis, while heterotrophs must consume organic substances to obtain the energy and nutrients they need.
These differences in nutrition have a major impact on ecosystem dynamics and the way organisms interact with each other.
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