Leaf And Leaf Structure Flashcards
What are the five parts of the leaf
Stomata Guard cells Spongy mesophyll Palisade layer Waxy layer
What’s the role of the waxy layer
To keep the water in
What’s the role of the palisade layer
Contains lots of chloroplasts for photosynthesis
What’s is the role of the spongy mesophyll
For less diffusion pathway
What is the role of the guard cells
To open and close to form stomata
What’s the role if stomata
To allow gas exchange and to open and close to reduce water loss
What is the role of side veins in a leaf
They transport water and sugar (transpiration and translocation)
Why is a large surface area useful in a leaf ?
To real and absorb lots of sunlight
Why is the leafs thin and flat shape useful
To allow effective gas diffusion for a short diffusion pathway
Why is the midrib of a leaf important
To keep the structure of the leaf
Why is it useful that leaves have lots of chloroplasts
The chloroplast contain chlorophyll which can absorb different wavelengths of light
