A-LevelBiologyBiodiversity and conservation9700/12 · Oct/Nov 2009 · Q391 Mark

A tree carries out photosynthesis and provides organic compounds for other organisms in a forest. It takes carbon dioxide from and returns oxygen to the atmosphere. It takes water from the soil into its roots and its leaves lose water to the atmosphere. Many other organisms live in the tree. Which term applies to the description of the tree?

Aecosystem

Bhabitat

Cniche

Dtrophic level

✓ Correct answer

C: niche

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Topic: Biodiversity and conservation, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2009 Paper 1 Variant 2, question 39.

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