Continuity and Change D.11 Stability & Change (id: f6d052705)

本题目来源于试卷: Continuity and Change D.11 Stability & Change，类别为 IB生物学

[问答题]
1.Describe the process by which detri r.jbc *2u 1if2jo,5zo;cqasitivores *hi09 9kmfhn ,nlha;iand saprotrophs obtain nutrition.

2.Describe how a quadrat can be used to estimate the population of poppies in a field.

3.Energy and nutrients move through ecosystems differently. Describe how energy and nutrients move through terrestrial ecosystems.

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