Select the living thing.
tractor piranha brick wall bathtub
All living things are made up of cells. Plants, animals, and some fungi have many cells. Other living things are made up of just one cell.
All living things need food and water. Water helps living things break down food and remove waste. Food gives living things energy. They use energy from food to grow and change.
All living things sense changes in their environment. Living things might sense changes by seeing, smelling, hearing, or feeling. Living things can respond to the changes they sense.
A piranha is a living thing.
Piranhas grow and respond to their environment. They need food and water. Piranhas are made up of many cells.
A brick wall is not a living thing.
Brick walls do not have all of the traits of living things. They do not grow or respond to their environment. They do not need food or water.
A tractor is not a living thing.
A tractor does not have all the traits of a living thing. Tractors need energy, but they do not eat food. Tractors get energy from diesel or other fuel. They do not grow.
A bathtub is not a living thing.
Bathtubs do not have all of the traits of living things. They do not grow or respond to their environment. They do not need food or water.