Hens and frogs are both oviparous exhibiting different types of fertilisation. Explain.

Explanation

**Step-by-Step Solution:**

1. **Definition of Oviparous:**
- Both hens and frogs are classified as oviparous animals. This means that they reproduce by laying eggs.

2. **Fertilization in Hens:**
- Hens undergo **internal fertilization**. This means that the fertilization of the egg occurs inside the female's body.
- After fertilization, the hen lays eggs that have a **hard shell**. This hard shell provides protection to the developing embryo inside.
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