本题目来源于试卷: SL/HL Topic D4.2 Stability and change，类别为 IB生物学
[问答题]
5. David Latimer created the mesocosm pictured below. It was last watered in 1972 and has been sealed ever since that date. It is still viable (living).[img]data/attachment/exam/2502/01/2502010209667685.jpg[/img]
c. Discuss to what extent this sealed mesoc h0sdsf)n+,l ug v5e:uosm mod d;tcdxdn4 ty b:(.+zgels the ecosystem of planet ear:zynd 4;cdb.tgd ( +txth.
参考答案: Similarities (max 2):
Earth is (almost) a sealed system.
Both have recycling of nutrients/nutrient cycling occurs.
Both require an external energy source.
Differences (max 2):
The mesocosm has no seasonal changes, but Earth does.
The mesocosm has less genetic diversity than Earth.
There are no animals in the mesocosm unlike Earth.
本题详细解析:
暂无
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