A derived trait of land plants is the presence of small openings that allow gaseous exchange between the plant and its environment. These structures are called

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Stomata are the small openings on leaves and other plant organs that allow for gaseous exchange. Cuticles refer to the waxy layer on the surface of plants that helps prevent water loss. Thallus is a general term for the body of a non-vascular plant. Rhizoids are root-like structures found in some non-vascular plants that help with anchoring and absorption, but do not involve gaseous exchange.

A Derived Trait of Land Plants Is the Presence of Small