a sphere contain shrimps and plants.
i put it sealed and exposed to direct sunlight.
why the shrimps all die after 6 days???
ecosystem(生物勁人答)
2008-09-06 4:22 am
回答 (1)
2008-09-09 6:31 am
✔ 最佳答案
BECAUSE...the producer is plants....and the strimp is carnivore which in secondary trophic level.there's no herbivore and first trophic level.there's no prey to strimp and no predator to plants.the energy can't be transferr.. Strimp died because of no food
參考: 我估下咋...我唔係生物勁人
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