Why do fish and frogs lay hundreds of eggs for reproduction while hen lays only one egg at a time? Justify your answer.

Explanation

**Step-by-Step Solution:**

1. **Understanding Reproductive Strategies:**
- Fish and frogs exhibit a reproductive strategy known as external fertilization, while hens utilize internal fertilization. This fundamental difference influences the number of eggs laid by each species.

2. **External Fertilization in Fish and Frogs:**
- In external fertilization, female fish and frogs release hundreds of eggs into the water, where males simultaneously release sperm. This process occurs in an open environment, making the eggs and sperm vulnerable to predators.

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