Quiz: Adaptations for Gas Exchange in Single-Celled Organisms
AQA 7402 A-Level Biology
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Building on what you've learned about 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 factors make diffusion suitable for gas exchange in single-celled organisms? (Select all that apply)
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Single-celled organisms rely on diffusion for gas exchange because they have a {{blank0}} surface area to volume ratio and a {{blank1}} diffusion distance.
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Which gas do single-celled organisms take in for respiration?
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What happens to the efficiency of diffusion as the size of a single-celled organism increases?
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Which of the following are adaptations of single-celled organisms for gas exchange? (Select all that apply)
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Diffusion is effective in single-celled organisms because their cells are {{blank0}} and their surface area to volume ratio is {{blank1}}.
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