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1.10 Exchanging Materials (Year 10 Biology)

The following test is covering '1.10 Exchanging Materials' for Year 10 Biology.
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What is a disadvantage of a decreasing surface area to volume ratio in larger organisms?
How do larger organisms overcome the problem of low surface area to volume ratio?
What do plant roots mainly exchange with the environment?
A thin exchange surface is advantageous because it:
How is a steep diffusion gradient maintained in animals?
Cells adapted for diffusion must always have:
Stomata in leaves mainly facilitate the exchange of: