Quiz: Adaptations for Gas Exchange in Single-Celled Organisms
AQA 7402 A-Level Biology
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Building on your knowledge of surface area to volume ratio, let's explore adaptations for gas exchange in single-celled organisms!
Why do single-celled organisms rely on diffusion for gas exchange?
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Which of the following are adaptations for efficient gas exchange in single-celled organisms? (Select all that apply)
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Single-celled organisms rely on {{blank0}} to exchange gases, as their {{blank1}} is exposed directly to the environment.
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Match the items on the left with their correct pairs on the right
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Calculate the surface area to volume ratio of a cell with a surface area of 12 µm² and a volume of 6 µm³.
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What limits the size of single-celled organisms?
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Which factors increase the rate of diffusion in single-celled organisms? (Select all that apply)
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Match the items on the left with their correct pairs on the right
A {{blank0}} surface area and {{blank1}} diffusion distance maximise gas exchange efficiency in single-celled organisms.
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