Interactions of Limiting Factors (OCR GCSE Biology A, Combined (Gateway Science Suite)): Flashcards
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Limiting factor definition
Limiting factor definition
Environmental condition restricting photosynthesis when scarce, even if other factors are abundant
Three examples of limiting factors
Three examples of limiting factors
Light intensity, CO₂ concentration, temperature
Graph pattern when factor becomes limiting
Graph pattern when factor becomes limiting
Line increases then levels off/flattens
Effect of increasing light intensity
Effect of increasing light intensity
Raises rate until another factor becomes limiting
How farmers use limiting factors knowledge
How farmers use limiting factors knowledge
Optimise greenhouse conditions (light, CO₂, temp)
Benefits of optimising photosynthesis in greenhouses
Benefits of optimising photosynthesis in greenhouses
Faster plant growth and higher yields
Inverse square law relationship
Inverse square law relationship
Light intensity
Effect of doubling distance on light intensity
Effect of doubling distance on light intensity
Falls to quarter (1/4) of original value
Formula: Light Intensity ?
Formula: Light Intensity ?
Light intensity at 2m from source (inverse square law)
Light intensity at 2m from source (inverse square law)
of original ()
Why understand inverse square law?
Why understand inverse square law?
To manage light conditions for optimal photosynthesis
Why does photosynthesis rate graph level off?
Why does photosynthesis rate graph level off?
Another factor becomes limiting
