B2 2.4 0.0 / 5 ? BiologyPhotosynthesis and transpirationGCSEAQA Created by: HarryLewisCreated on: 13-09-16 17:39 Why is it not really possible to give plants the ideal conditions to grow all the time? The cost would be too high. 1 of 5 What two things can be constructed to allow plants to grow in an enclosed space? Greenhouses and polytunnels 2 of 5 What factors must be controlled in a greenhouse to improve plant growth? Temperature, light levels and carbon dioxide. Mineral ions can also be added to the soil to ensure healthy growth. 3 of 5 What does the grower have to compare to decide which conditions are cost-effective to control? The Biomass of plants grown indoors and outdoors. 4 of 5 What is Biomass? Biological material from living or recently living organisms. 5 of 5
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