Question

How are Autotrophs different from heterotrophs?

Answer 1

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1. Autotrophs are organisms that prepare their own food. Heterotrophs depend upon other organisms for nutrition.
2. These are known as the producers and include green plants, algae and a few photosynthetic bacteria. These are the consumers and include cows, buffaloes, tigers, horses, etc.
3. These can be classified as photoautotrophs and chemoautotrophs. These can be classified as photoheterotrophs and chemoheterotrophs.
4. The chloroplast helps in preparing food. They do not contain chloroplast so cannot prepare food.
5. They obtain energy from inorganic sources by converting light energy into chemical energy. They obtain energy directly or indirectly from other organisms.
6. Autotrophs can store light energy and chemical energy. Heterotrophs cannot store energy.
7. They are placed at the primary level in the food chain. These are placed in secondary or tertiary level in the food chain.
8. These can move from one place to another in search of food and shelter. They cannot move from their placce