Animals fibres are __________ and ___________ .

Explanation

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

1. **Understanding Animal Fibers**: Animal fibers are those fibers that are obtained from animals. They are natural fibers derived from the hair, fur, or secretions of animals.

2. **Identifying Examples of Animal Fibers**: The most common examples of animal fibers are wool and silk.

3. **Source of Wool**: Wool is primarily obtained from the hair of sheep. Sheep are animals that provide us with this type of fiber.

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