Secondary dermal tissue composed of 3 layers
- Outer layer: Phelem or cork
-suberin(restricts water loss) - in roots and stems
hard cells that are dead after deposition of lignin in wall. function: support, structure.
Ex: fibers, stone cell, sclerids
originates from shoot apical meristem
supports the aerial (shoot) portion of plant
support the leaves
several large fleshy roots (storage roots) .. ex sweet potato
cellular location of photosynthesis and other processes in eukaryotes.
Found in chlorenchyma. Ex Chloroplast