Discuss why are embryos of oviparous animals covered with a number of protective layers?

Explanation

### Step-by-Step Solution:

1. **Understanding Oviparous Animals**:
- Oviparous animals are those that lay eggs, and the embryos develop outside the mother's body. Examples include birds, reptiles, and many fish.

2. **Formation of Embryos**:
- The process begins with sexual reproduction, where male and female gametes fuse during fertilization to form a zygote. This zygote undergoes cell division to develop into an embryo.

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