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Apart from plants and animals, microbes ...

Apart from plants and animals, microbes form a permanent biotic component in an ecosystem. While plants have been referred to as autotrophs and animals as heterotrophs, what are microbes referred to as? How do the microbes fulfil their energy requirements?

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### Step-by-Step Solution: 1. **Understanding Biotic Components**: - In an ecosystem, biotic components include all living organisms, which are primarily categorized into three groups: plants, animals, and microbes (microorganisms). 2. **Classification of Organisms Based on Nutrition**: - Organisms can be classified based on their mode of nutrition into two main categories: - **Autotrophs**: Organisms that produce their own food. ...
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