Mammals show heterodont dentition. Give reason.

Explanation

**Step-by-Step Solution:**

1. **Definition of Heterodont Dentition**: Heterodont dentition refers to the presence of different types of teeth in an organism. In mammals, this means that they have various forms of teeth that serve distinct purposes.

2. **Types of Teeth in Mammals**: Mammals typically have four different types of teeth:
- **Incisors**: These are the front teeth, which are sharp and used primarily for cutting food.
- **Canines**: These are pointed teeth located next to the incisors, used for tearing food. They are particularly well-developed in carnivorous mammals.
- **Premolars**: These teeth are located behind the canines and are used for crushing and grinding food.
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