Interactions of Limiting Factors (AQA GCSE Biology): Flashcards
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Limiting factor definition
Limiting factor definition
Environmental condition restricting photosynthesis when scarce
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 initially then levels off
Effect of increasing light intensity when limiting
Effect of increasing light intensity when limiting
Raises photosynthesis rate until another factor limits
How farmers use limiting factors knowledge
How farmers use limiting factors knowledge
Optimise greenhouse conditions (light, CO₂, temp)
Benefits of optimising greenhouse conditions
Benefits of optimising greenhouse conditions
Faster growth, higher yields, increased profits
Law describing light intensity & distance relationship
Law describing light intensity & distance relationship
Inverse square law
Light intensity is inversely proportional to...
Light intensity is inversely proportional to...
Square of distance from light source
Light intensity when distance doubles
Light intensity when distance doubles
Falls to 1/4 (quarter) of original value
Formula: Light intensity ?
Formula: Light intensity ?
Light intensity at 2m distance (fraction)
Light intensity at 2m distance (fraction)
(calculation: )
Purpose of understanding inverse square law
Purpose of understanding inverse square law
Manage light conditions for optimal photosynthesis
