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Banyan And Maize
The chapter's photographs of the two plants with supporting roots
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Some roots grow above ground to keep heavy branches or thin stems upright.
Meet the roots that hold a plant up from above the ground or come out of the mud to breathe, and learn the name the chapter gives them all.
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Banyan and maize roots that hold the plant up from outside the soil
In some plants, roots provide extra support to the plant. For example, the heavy branches of a banyan tree get extra support with the help of special roots that grow downwards from the branches.
The chapter's photographs of the two plants with supporting roots
Some roots grow above ground to keep heavy branches or thin stems upright.
Two questions on how banyan and maize roots support the plant
Where do the special supporting roots of a banyan tree grow from?
Mangrove roots come out of the marshy soil to get fresh air
In mangrove plants, roots do not get sufficient oxygen because they grow in marshy areas. Because this marshy soil is heavily waterlogged, there is simply not enough air trapped inside the mud.
The chapter's photograph of a mangrove standing in shallow water
Mangroves.
Three items from the chapter's exercises on aerial roots
Some plants grow in wet coastal environments where the soil is constantly covered in water. Because the ground is completely waterlogged, roots do not get sufficient in these areas. To survive, certain coastal trees have adapted to take in air from above the mud. For example, plants have special roots that come up out of the soil. This allows the plant to get fresh air directly from the atmosphere.