Download Organs systems – Plants Plant tissue and organs

Organs systems – Plants
Plants have fewer organs and organ systems than animals.
__________ system (above ground):
• Structural support: _________
• Food production: _________
• Reproduction: __________
________ system (mostly below ground):
• Transport of _______ and _________ from the
______ to the rest of the plant.
• _________ the plant into _____ – this provides
___________.
Plant tissue and organs
Plants are mainly organised at the tissue level.
They have only a small number of organs which allow the plant to carry out
three essential functions:
• ________________
• _____________________________
• _____________________________
:
Specialised cells - Root Hairs
• Plants need _______
and ___________ from
the ______ to grow.
• Plants take water up
through the surface of
their _____ _____ cells.
• These long, thin hair-like
extensions of the cell
membrane increase the
_______ ______ of the
root for water uptake.
Vascular tissue – conducting cells
Specialised cells - Xylem and Phloem
______ conducting cells: _______
• long thin tubes with strong walls
that carry ______ and ________
to the _________.
______ conducting cells: _______
• carries _______ from the
________ to all other parts of the
plant.
Water and minerals Up - ______ cells
Food Down & around - _______ cells
Photosynthesis
________________ is the process
by which plants make _______
(sugar/food). They then use the
glucose for their life processes.
Without it they could not survive.
Plants take ______ and ________
from the soil, carry these to the
_________ where, in the presence
_______ , plants convert _______
________ into ________ and
________ (that is expelled from the
cell as a waste product).
Photosynthetic cells - leaf
Photosynthesis occurs in cells
with ____________ that contain
the green pigment __________.
3.
1.
2.
4.
Stomata - guard cells
• ___________ (sing. stoma) are ______ in a leaf, mostly on the undersurface.
• Each pore is surrounded by a pair of ________ _________.
• Guard cells can change shape to _______ and _________ the stoma.
• Guard cells control the movement of __________ ________, _________ and
_________ ____________ in and out of the leaf.
Review questions
What do plants use (reactants) during photosynthesis to manufacture their food, and where do they
get it from?
What are the products of photosynthesis?
What is the name of the organelle where plants photosynthesise?
Which plant cells are involved in transporting:
a) water and minerals:
b) glucose:
Do root cells in plants contain chloroplasts? Why or why not?
In which organ of plants does photosynthesis take place?
What is the name of the green pigment in plant’s photosynthetic cells?
What are the four main organs of plants?
What is the name of the pores in the leaves of plants and what is their function?
What is the benefit of plants having root hairs and what is their function?
Name three types of cells and describe their differences:
Describe the function of the following cell parts:
a) cell membrane:
b) nucleus:
c) plant cell wall:
Define the term:
a) cell:
b) tissue:
c) organ:
d) organ system
I am rigid. When studied under a powerful microscope, you can clearly see my nucleus and large
vacuole which can appear colourless until you use a stain. What kind of cell am I?
List three key ideas of the Cell Theory:
Jack was using a light microscope with an ocular lens that can magnify 10x. With the objective
lens that he was using, the total magnification was 400x. Calculate the total magnification when
Jack changed to an ocular lens with 15x magnification.
What is the difference between organisms that can be seen with the naked eye and microscopic
organisms? Explain how would you examine microscopic organisms.
What do we mean when we say that cells are specialised?
List four types of specialised cells in the human body and describe their function.