State whether the following statements are True or False. If false correct the statement:
External fertilisation can occur both in water and on land.

Explanation

**Step-by-Step Solution:**

1. **Understand the Statement**: The statement to evaluate is "External fertilisation can occur both in water and on land."

2. **Define External Fertilisation**: External fertilisation is a reproductive process where the male and female gametes (sperm and egg) unite outside the female's body.

3. **Identify the Environment for External Fertilisation**: External fertilisation primarily occurs in aquatic environments. In these settings, both the sperm and eggs are released into the water, where fertilisation takes place.

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