Question

Select the true statements concerning tracheids. tracheids are responsible for anchoring the plant to a substrate. pterophytes lack tracheids but have euphylls. without tracheids colonization of land would not have been possible. all of the large dominant extant land plants are tracheophytes. tracheids allow for efficient transport of water over longer distances.

Answer 1

The right answer is tracheids allow for efficient transport of water over longer distances.

Tracheids are conduits for the transport of raw sap (composed of water and mineral salts) to vascular plants. They are composed of a series of elongated cells. During the formation of tracheids these cells die, are emptied of their contents and are fused vertically to form a hollow conduit. The tracheids are located in the xylem, plant tissue allowing the transport of raw sap. Derived from the primary xylem (protoxylème), they have a role in the overall support of the plant.

In addition to tracheids, angiosperms possess vessel elements for transporting raw sap.