Do you know what a cactus is?
A cactus is a plant.
A cactus lives in a desert.
We say one cactus, or many cacti.
Cacti live in many places.
There are many kinds of cacti.
A cactus does not have leaves.
It has sharp spines.
A cactus has long roots.
Long roots help a cactus get more water.
Some cacti can grow to be very big!
Some animals live on a cactus.
Some animals live beside a cactus.
Some animals live in a cactus!
A cactus is a great desert plant.
Please open the exercise to continue.