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 aquatic mesocosm using s(i.v1 pu wsnt+ixv0(q eawater to simulate conditi 1( pi qxint0vvws+.u( 37bm2o(oqvqrod ono4 sk 0ibz js8*;.ons in the food web (shown in the image below) and test its stability. He used seawater and sand from the area to set up th7s0o *osr (domnb3. ; ziqokvq 4j2o8be 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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