11. Suggest some habitats in which light intensity, CO2 concentration, and temperature might
be a limiting factor in photosynthesis.
Answers
Answer:
Green plants and algae use light energy to make glucose and oxygen from carbon dioxide and water. Temperature, carbon dioxide concentration and light intensity can affect the rate of photosynthesis.
Part of
Biology (Single Science)Plant structures and their functions
Explanation:
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Answer:
Photosynthesis
Green plants and algae use light energy to make glucose and oxygen from carbon dioxide and water. Temperature, carbon dioxide concentration and light intensity can affect the rate of photosynthesis.
Factors affecting Photosynthesis - Light itensity
There are several ways of measuring the rate of photosynthesis in the lab. These include:
the rate of oxygen production (number of bubbles or volume of oxygen gas given off in a set time)
the rate of carbon dioxide uptake
the rate of glucose production
Several factors can affect the rate of photosynthesis:
light intensity
carbon dioxide concentration
temperature
Light intensity
Without enough light, a plant cannot photosynthesise very quickly - even if there is plenty of water and carbon dioxide.
Increasing the light intensity increases the rate of photosynthesis, until some other factor - a limiting factor - becomes in short supply.
The rate of photosynthesis is directly proportional to the light intensity until another factor becomes limiting.
At very high light intensities, photosynthesis is slowed, but these light intensities do not occur in nature.