Plant Structure And Their Function Flashcards
What is biomass
The mass of a living material
When investigation light intensity what is the equation for rate of O2 produced
Volume produced / time taken
What can u use to measure light intensity
Light meter
What do root hairs on plants do
Take in minerals and water
Where do root hairs grow
The cells on the surface of a plants roots grow into hairs which stick out into the soil
What do root hairs give the plant
Large surface area for absorbing water and mineral ions from the soil
How are minerals absorbed
Active transport
How is water absorbed
Osmosis
What are phloem tubes
Made of columns of elongated living cells with small pores in the end walls to allow stuff to flow through
What do phloem tubes do
Transport food (sucrose) made in leaves to the rest of the plant for immediate use or storage
What is translocation
The process that phloem tubes do when they transport food(sucrose) from oeaves to the rest of the body
What do xylem tubes do
Carry water and mineral ions from roots to stem and leaves
What is transpiration
The movement of water from the root’s through the xylem and out of thr leaves
What are xylem tubes
Made of dead cells joined end to end with no end walls between them and a hole down the middle strengthened with lignin
What are stomata
Tiny pores on the surface of a plant mostly found on lower surfaces of lesves
