Mangrove trees grow clustered together, often in swampy forests. Their roots rise above the ground and take in oxygen for the tree. They provide a habitat for animals.
Shutterstock / Damsea
roots
[rootz]
The parts of a plant that hold it in place. Roots suck up water and nutrients from the soil. Mangrove roots also take in oxygen for the tree.
Tim Laman / NPL / Minden Pictures
swamp
[swahmp]
A swamp is a forest that is sometimes covered with water.