1.10 Exchanging Materials (GCSE Biology)

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

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Stomata in leaves mainly facilitate the exchange of:

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

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

Cells adapted for diffusion must always have:

Where can efficient gas exchange surfaces be typically found in humans?

A thin exchange surface is advantageous because it:

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

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

How is a steep diffusion gradient maintained in animals?

Which feature of the human small intestine aids nutrient absorption?

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

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