Term
|
Definition
|
Stomata means "little mouths" in Latin.
Air enters the leaves through stomata, located on the underside of the leaf.
Oxygen is released through the stomata.
|
|
|
Term
|
Definition
|
On many leaves, all the smaller veins are joined to one especially large vein, called the midrib, that runs straight up the middle of the leaf.
|
|
|
Term
|
Definition
|
Large and small veins spread outward from the stem across the leaf.
Veins are like pipes serving to both transport liquids and to reinforce the structure of the thin, fragile leaf.
|
|
|
Term
|
Definition
|
The waxy covering that coats the skin of a leaf and prevents water from escaping.
The cuticle keeps material from entering or exiting the leaf, except through the stomata or stem.
|
|
|
Term
|
Definition
|
The food plants need to live.
|
|
|
Term
|
Definition
|
Tiny packages of chlorophyll contained in the cells of the leaf, which absorb some of the energy from the sunlight as it enters the leaf.
The energy of the sun splits the water provided by the roots and stems, into simpler chemicals called hydrogen and oxygen.
|
|
|
Term
|
Definition
|
All life depends on plants because plants are the only living things that can make their own food.
A leaf needs water, air, and light to do its work.
|
|
|
Term
| special or modified leaves |
|
Definition
|
Special or modified leaves are leaves that have a special design for a special task, e.g.:
|
|
|