Define Ecotype.

Explanation

### Step-by-Step Text Solution

1. **Definition of Ecotype**: An ecotype is defined as a population or subspecies of organisms that is specifically adapted to its local environment.

2. **Adaptation to Local Environments**: These populations or subspecies have developed unique adaptations that enable them to thrive in the specific conditions of their natural habitat. This means that their physical and behavioral traits are suited to the environmental factors present in their locality.

3. **Genetic Interactions**: The adaptations of ecotypes are influenced by the interactions of a unique set of genes that are present within that population. These genetic traits are shaped by the environmental pressures and conditions that the ecotype faces.

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