What do sclerenchyma and collenchyma have in common?
they are both thin-walled.
they are both dead cells.
they both function for support.
they both function for food production and storage.

The similarity of both cells is that both of them function for support. These cells are two of the three classes of ground tissue together with Parenchyma cells. Collenchyma cells are responsible for giving support to extra structural regions and Sclerenchyma cells are the main structural support for plants.

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