Transcript Plant Tissues - Effingham County Schools

Plant Tissues
There are 3 tissue systems in plants:
• Dermal tissue
• Ground tissue
• Vascular tissue
What are tissues made of?
Tissues are a group of cells working together
to perform a certain function.
.
Plant Tissues


Neighboring cells are often connected by
plasmodesmata.
Plasmodesmata are strands of cytoplasm that
pass through openings in cell walls and
connect living cells.
Label the Plant Tissues
Dermal Tissue

Acts similar to human skin.

Function:

Covers the outside of a plant, providing protection
in a variety of ways.
Details:



Epidermis is made of live parenchyma cells.
Can be made of dead parenchyma cells; makes the
outer bark of woody plants.
Cell types: Made of parenchyma cells
Ground Tissue

Surrounded by dermal tissue.

Function:


Provides support and stores materials in roots and
stems.
Details:

Makes up much of the inside of the plant.

Where you can find the chloroplasts in leaves.
Made of all three cell types. Parenchyma is most
common.
Vascular Tissue

Surrounded by ground tissue.

Function:


Transports water, mineral nutrients, and organic
compounds to all parts of the plant.
Details:

Made of two networks of hollow tubes.

Xylem and Phloem
Cell types in Xylem – Tracheid cells
and vessel elements
Cell types in Phloem –
Sieve tube elements, companion
cells
Xylem and Phloem



Similar to our veins and arteries.
Xylem: carries water and dissolved mineral
nutrients up from roots to the rest of the plant.
Phloem: the vascular tissue that carries the
products of photosynthesis through the plant.