Interaction & Interdependence C.9 Transfers of Energy & Matter (id: c4ed3cb24)

本题目来源于试卷: Interaction & Interdependence C.9 Transfers of Energy & Matter，类别为 IB生物学

[问答题]
A student wants to set up an aee2 +p5hfubu+sm-d 5nquatic mesoc4 ugikj1 q/:e1fge;ze osm using seawater to simulate conditions in the food webz 1kigfgu/ : eq;ee1j4 (shown in the 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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