A caterpillar changes into a butterfly. An earthworm tunnels through the soil. A lizard lays eggs in the sand. A giraffe eats leaves from a tree.
Which is an example of metamorphosis?

Options:
- A caterpillar changes into a butterfly.
- An earthworm tunnels through the soil.
- A lizard lays eggs in the sand.
- A giraffe eats leaves from a tree.

A caterpillar changes into a butterfly.