Interaction & Interdependence C.8 Populations & Communities (id: 3c93dc29b)

本题目来源于试卷: Interaction & Interdependence C.8 Populations & Communities，类别为 IB生物学

[问答题]
A student wants to set up an aquatic hmfmls662x c3 mesocosm using seawater to sub;;h p*n :vxjimulate conditions in the food web (shown in the ujh*vnbp ;;x:image below) and test its stability. He used seawater and sand from the area to set up the system and added some small organisms to the mesocosm.

1.In the food web shown, identify an autotroph.
2.State a reason why phytoplankton shown in the food web would be a good addition to the mesocosm.
3.Discuss how saprotrophs perform a necessary function for the mesocosm.
4.Describe the disadvantages of using mesocosms in scientific investigations.

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