Select the living thing.

 - coconut tree
 - piano
A coconut tree is a living thing.
Coconut trees grow and respond to the world around them. They need food and water.
Coconut trees are plants. They make their own food using water, carbon dioxide, and energy from sunlight.
A piano is not a living thing.
Pianos do not have all of the traits of living things. They do not grow or respond to the world around them. They do not need food or water.