Ch. 35.3—Plant Structure, Growth, & Development Flashcards
__________ lengthens roots and shoots; arises from cells produced by apical meristems and elongates parts of the root and shoot systems
-Primary growth.
The root tip is covered by a ________, which protects the apical meristem as the root pushes through soil
-Root Cap.
Growth occurs just behind the root tip, in three zones of cells.
- Zone of Cell Division.
- Zone of Elongation.
- Zone of Differentiation (Maturation).
The primary growth of roots produces the: ______, ________, and _______ tissue.
- epidermis
- ground
- vascular
In most _______, the xylem is starlike in appearance with phloem between the “arms.”
-Eudicots.
In many ________, a core of parenchyma cells is surrounded by rings of xylem then phloem.
-Monocots.
The innermost layer of the cortex is called the _________ and regulates passage of substances from the soil into the vascular cylinder.
-Endodermis.