[问答题]
The food web below shows the feeding relationsh bhxs* wp8+jisb6b*s( ips in a soil ecosystem.
oesduk*0r9 aqyx; u*sa+ a(,j a(b1fz Draw a food chain with five trophic levels.
参考答案:
Five levels in the correct order starting with Leaf litter:
Leaf litter → fungi OR bacteria → arthropods (small) OR nematodes(small) → arthropods (predator) → birds 1
→ Arrows pointing in the direction of the flow of energy from leaf litter to fungi OR bacteria and so on 1
