A frog lays eggs. A frog swims in water. A frog begins to lose its tail. A frog begins to develop lungs.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which of the following happens only during the adult stage of the life cycle of a frog?
Possibilities:
- A frog lays eggs.
- A frog swims in water.
- A frog begins to lose its tail.
- A frog begins to develop lungs.

A frog lays eggs.