Mangrove Roots in Mud

Mangrove trees grow in soft, muddy ground where the soil has very little air. They use special roots to stand steady and to take in air above the mud.

This picture is part of the full library

Every lesson is open to everyone for 7 days after it is published. This one came out on September 13, 2026: its text stays readable here, and its picture opens with a subscription.

The app is free. A subscription opens every lesson, in every school year.

Age 9: open this week

In the picture

Arching stilt root
Pencil-like root tip poking up from the mud

Examples

A tree propped up by wooden poles
A snorkel sticking out of water

Key takeaways

Stilt roots keep the tree steady in soft mud.
Aerial roots take in air from above the mud.

Carry on in the app

Three questions on this lesson. It has left the free week, so its quiz is for subscribers.

At least one new illustrated lesson every weekday for your child’s year, with its quiz and a reminder at 6:15 pm.

Free app, optional subscription
App Store Google Play