1.10 Exchanging Materials (GCSE Biology)

The following is a GCSE Biology test covering '1.10 Exchanging Materials'

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Question 1

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A thin exchange surface is advantageous because it:

How is a steep diffusion gradient maintained in animals?

How do larger organisms overcome the problem of low surface area to volume ratio?

Cells adapted for diffusion must always have:

What is a disadvantage of a decreasing surface area to volume ratio in larger organisms?

Which adaptation improves the gas exchange efficiency in animals?

Why is it easier for small organisms to exchange materials directly with their environment?

As organisms increase in size, their surface area to volume ratio:

Stomata in leaves mainly facilitate the exchange of:

Which factor is very important for efficient exchange of materials between organisms and their environment?

What structure in fish increases the surface area for gas exchange?

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