Definitions Flashcards
1
Q
Define transpiration
A
Transpiration is the loss (by evaporation) of water vapour from the leaves and other aerial parts of a plant.
2
Q
Define lenticels
A
Lenticels are openings in the stems of plants that allow gas exchange.
3
Q
Define cohesion
A
Cohesion is the sticking of similar molecules to each other.
4
Q
Define adhesion
A
Adhesion occurs when different molecules stick together.