Which Norms Are Strongest, and Which Are Weakest

question 56

Short Answer

Which norms are strongest, and which are weakest?

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Definitions:

Casparian Strip

A waterproof barrier within the cell walls of plant roots that controls the flow of water and dissolved substances into the plant.

Endodermal Cells

Cells that make up the endoderm, the innermost layer of cells or tissue of an embryo in early development, which gives rise to the lining of the digestive and respiratory systems.

Eudicot Root

Eudicot Root refers to the root structure of eudicots, which are a major group of flowering plants characterized by having two seed leaves, or cotyledons, and a branching root system.

Vascular Cylinder

The central core of a plant's root, containing the vascular tissue (xylem and phloem) which transports water, nutrients, and sugars.