plant structures and their functions Flashcards
1
Q
T or F
photosynthesis is an exothermic reaction
A
false
endothermic reaction
2
Q
what is biomass
A
the mass of living material
3
Q
what is translocation
A
movement of food substances through phloem tissue
4
Q
which strengthening material is present in the walls of xylem tubes
A
lignin
5
Q
which type of transport vessel is made up of dead cells
A
xylem
6
Q
what controls the opening and closing of the stoma
A
guard cells
7
Q
give three factors that can affect the rate of transpiration
A
light intensity
temperature
air flow
