AP_Bio__Plants

Cells produced by the lateral meristem that produce secondary xylem and phloem

Cells produced by the lateral meristem that produce outer bark tissue

Cells that allow for gas exchange in the bark

Region in the root where xylem and phloem are formed

Inner concentric cylinder formed by xylem and phloem in the root

Undifferentiated meristematic tissue in the root that surrounds the xylem and phloem

Process by which the pollen grain splits and fertilizes the egg and polar nuclei to form the seed and endosperm

Part of the seed at the tip of the plant whch will become the stems and leaves

Part of the seed which forms the stem below the cotyledons

Light receptor pigment involved in photoperiodism