Why are marsupials found in Australia only?

Explanation

**Step-by-Step Solution:**

1. **Understanding Marsupials**: Marsupials are a group of mammals that are characterized by giving birth to relatively undeveloped young, which typically continue to develop in a pouch. Kangaroos are a well-known example of marsupials.

*Hint: Recall the defining characteristics of marsupials and their reproductive methods.*

2. **Historical Context**: Marsupials originated in South America. Around 180 million years ago, the continents were part of a supercontinent known as Gondwana.

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