Biology 4.1.3 Flashcards
___ can be used to see the interactions between limiting factors of P.sis.
Graphs.
Light Intensity =
1 / Distance^2
What is the benefit of growing Plants in a Greenhouse?
You can control the limiting factors to maximise growth.
Why is shade removed from the ceilings in Greenhouses?
To allow for maximum Light.
What is done to compensate for low Light in Greenhouses during Winter/ dark hours?
Artificial Light.
How do Greenhouses ensure that Temp. doesn’t limit P.sis?
They trap Heat from the Sun.
Keeping Plants in Greenhouses makes it easier to… (3)
-Keep from Pests.
-Keep from Diseases.
-Add Fertiliser.
How do Greenhouses ensure that Plants are well Watered?
Watering System.
How do Greenhouses ensure that CO2 Concentration in just right?
A controlled Heater burns Paraffin and produces CO2.
How do Greenhouses prevent Plants from getting too hot?
Ventilation.
