Chapter 8 Flashcards
Transport in plants
What is the transport system called that transport water from the roots to the leaf?
xylem
What,other than water,are also transported by the xylem?
mineral ions
What are the 2 transport systems plants use?
1.xylem
2.phloem
What is a phloem?
transport sucrose and amino acids from the leaves to other parts of the plant
What does lignin mean?
a hard,strong,waterproof substance that forms the walls of the xylem vessels
What is a group of xylem vessels & phloem tubes called?
vascular bundle
are xylem vessels & phloem tubes found close together?
yes
Do root hairs life long?
no
How do water move into root hairs?
through osmosis
What is the function of root hairs?
to absorb water & mineral ions from the soil
What increases the uptake of water & mineral ions?
the long,thin root hairs
what is transpiration?
the loss of water vapour from a plant
what is a water measurer called?
potometer
When does transpiration happen faster?
when the temperature is high & its windy
How does water move?
from the root hairs >through the root cortex>xylem vessels>into mesophyll cells
