Define ecological niche. Give its types.

Explanation

### Step-by-Step Solution:

1. **Definition of Ecological Niche**:
An ecological niche refers to the specific role or function of an organism within its environment, including its habitat, resource use, and interactions with other organisms. It encompasses how an organism meets its needs for food, shelter, and reproduction, essentially describing its "way of life."

2. **Types of Ecological Niche**:
There are two main types of ecological niches:

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