Photosynthesis & Leaf function
Leaves are the main site of this process.
What is photosynthesis?
The outer protective layer of a leaf.
What is the epidermis?
One leaf per node, alternating sides.
What is alternate arrangement?
A leaf with a single blade attached to a petiole.
What is a simple leaf?
Veins that run parallel and do not cross (common in monocots).
What is parallel venation?
This gas enters the leaf during photosynthesis.
What is carbon dioxide (CO₂)?
The middle layer where most photosynthesis occurs.
What is the mesophyll?
Two leaves per node directly across from each other.
What is opposite arrangement?
A leaf with multiple leaflets.
What is a compound leaf?
One main midrib with branching veins.
What is pinnate venation?
This organelle performs photosynthesis inside mesophyll cells.
What is the chloroplast?
These pores regulate gas exchange.
What are stomata?
Three or more leaves per node surrounding the stem.
What is whorled arrangement?
Leaflets arranged along a central midrib.
What is pinnate compound?
Several large veins branching from one central point.
what is palmate venation?
The waxy layer that helps prevent water loss from leaves.
What is the cuticle?
These two cells control the opening and closing of stomata.
What are guard cells?
The place on a stem where a leaf attaches.
What is a node?
Leaflets that spread from one central point like fingers.
What is palmate compound?
Leaf modifications that provide protection and differ from thorns.
What are spines?
Write the basic photosynthesis equation.
What is H₂O + CO₂ + light → C₆H₁₂O₆ + O₂?
This tissue transports sugars away from the leaf.
What is phloem?
The space between two nodes.
What is an internode?
A leaf margin that looks like a saw blade.
What is serrate?
These are extensions of the epidermis that may secrete oils or reduce water loss.
What are trichomes?