Plants unit terms

epidermis

Outer protection and water absorption

Cortex

storage of tissue and water transport to xylem

parenchyma cels

unspecialized cells that create bulk

Endodermis

Inner filter and controls water flow

casparian strip

waterproof strip that controls backflow

xylem and phloem

xylem moves water and minerals. phloem moves wa

structure of stem

pith

storage and bulk

vascular cambium

makes vascular tissue ( xylem and phloem )

sapwood and heartwood

sapwood is young xylem. heartwood is old xylem

cork ( bark )

protection

petiole

connects a leaf to the stem

cuticle

waxy coating

epidermis

protection of leaf

palisade mesophyll

photosynthesis

chloroplast

organelle for photosynthesis in cells

spongy mseophyll

gas exchange

vascular bundle

xylem and phloem

stomata

pores in the leaf for gas exchange ( opening and closing )

guard cells

cells that open and close the stomata

structure of flower

sepal

protects the flower

petals

bright and attract pollinators

stamen

consists of a filament and anther ( male gametophytes reproduction )

carpel

makes pistil

pistil

includes

• ovary ( produces eggs )

• style ( stalk where sperm travels )

• stigma ( sticky pad where pollen is attached )