Name: _____________________________
Date: ____________________
Aim 18: What are some adaptations plants have that allow them to maintain homeostasis?
A. How do plants absorb and transport photosynthetic materials?
STRUCTURE
1. Roots

FUNCTION
____________________________

____________________________

absorbs ____________ & _____________
PICTURE
1. Xylem – transports _____________ and
2. Vascular
Tissues
“Tubes”
______________ from _______________ to
________________
2. Phloem – transports _____________ from the
_____________ to the _____________
B. How do plants regulate water loss and carbon dioxide intake for photosynthesis and other activities?
STRUCTURE

FUNCTION
____________(hole) under the leaf that lets
PICTURE
_________________________________
1. Stomate

Surrounded by _______________________ cells called
________________________

____________ and ___________ the stomate to prevent
the plant from ___________________________(drying out)

2. Guard
Cells
__________________ the ______________ of the
stomate’s opening

__________________ the movement of _____________ in
and out of the leaf
* WHAT HAPPENS WHEN STOMATES ARE:
Stomate
is….
OPEN
CLOSED
Does gas
exchange
occur?
What happens
to the water?
What happens to
carbon dioxide?
Rate of
photosynthesis
When does this
happen?
Questions
1. When plants do not keep enough water in their cells, what happens?
2. What happens when a plant detects a shortage of water?
3. What happens if the stomate is always open?
4. When should the guard cells close the stomate?