Support, Growth and Stability in Plants (1)

Science

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Main support structure for plants

Stem & roots

Categories of terrestrial plant

Woody plant & Non-woody plant

The factor that supported woody plants

Woody plants depend on the lignin (woody tissue)

The factor that supported non-woody stem plants

Non-woody plants depend on the turgidity of the plant cells

Three special structures in woody plants

Buttress roots, still roots and prop roots

Three special structures in non-woody plants

Tendrils, clasping roots and twining stem

The factor that supported aquatic plants

Water buoyancy force supported aquatic plants

Aerenchyma tissue

Spongy tissue that has air spaces

Method to determine the age of woody plant

Count the growth ring

Importance of support in plant

Ensure that leaves are exposed to sunlight, accommodate the plants weight and provide strength to withstand wind

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