Transport In Plants

Front 1

Why do plants need a transport system?

Back 1

-need regular supply of water and nutrients and remove waste.
-plants: multicellular ,small sa:v
- epithelial cells direct diffusion
plants cells further away from supply slow diffusion.

Front 2

What is the vascular tissue/bundle?

Back 2

transport tissue in plant contains xylem and phloem

Front 3

What is transported in the xylem, and in which direction does it go?

Back 3

Xylem : transports
-water, soluble minerals
-travel upwards

Front 4

What is transported in phloem and, on which direction?

Back 4

Phloem: Transports
-dissolved substances (sugar)
-up or down

Front 5

Explain the structure of the Dicotyledonous root

Back 5

-Central core X =primary Xylem
-primary Phloem in between the arms of the X-shaped xylem
-In between the xylem and phloem is a layer : Vascular cambium.
-Around the vascular bundle is the endodermis
-Inside endodermis is the pericyle.
-Cortex between endodermis and epidermis.
-root hairs on epidermis.

Front 6

Define pericycle

Back 6

-Layer of cells
-lies inside endodermis
-consists of meristem cells
-division of meristem cells give rise to lateral roots.

Front 7

Define endodermis

Back 7

-A ring of cells forming the inner layer of cortex
-surrounding area containing xylem and phloem.

Front 8

Define cambium

Back 8

-layer of meristem cells
-divide to produce new xylem and phloem.