[问答题]
1.Describe the process by which detritivores and sapvdn/ -vn 7jzob37a:vf rotrophs obtain nutrd(umf+ g;id u 6)no(qwition.
2.Describe how a quadrat can be used to estimate the population of poppies in a field.
3.Energy and nutrients move through ecosystems differently. Describe how energy and nutrients move through terrestrial ecosystems.
