Gas Exchange in Plants and Insects 4.5 / 5 based on 3 ratings ? BiologyGas ExchangePlantsASAQA Created by: chickpeatweetCreated on: 04-03-15 18:49 736249158 Across 1. What O2 is used for during day and night (11) 5. Holes in surface of leaves which allow gas exchange (7) 6. The guard cells swell and open the holes when there is a decrease in... (5, 9) 7. The process of water loss and gain in a plant (13) 8. Holes in surface of terrestrial insect which allow gas exchange (8) Down 2. The gas exchange surface in terrestrial insects (leads of from trachea) (10) 3. What CO2 is used for in plants during the daytime (14) 4. The stimulus which opens the holes in the leaf (5) 6. When holes in surface of organism open, what are they at risk of? (5, 4) 9. Will an animal with a larger surface area:volume ratio lose heat faster or slower? (6)
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