What is autogenic succession ?

Explanation

**Step-by-Step Text Solution:**

1. **Understanding Succession**: Begin by defining ecological succession, which is the process of change in the species structure of an ecological community over time. It typically involves a series of stages leading to a stable ecosystem.

2. **Types of Succession**: Recognize that there are two main types of ecological succession: autogenic and allogenic. Autogenic succession is characterized by changes that are driven by the community itself, rather than by external environmental factors.

3. **Defining Autogenic Succession**: Autogenic succession refers specifically to a type of ecological succession where the dominant organisms are heterotrophs. Heterotrophs are organisms that cannot produce their own food and rely on consuming other organisms for energy.

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