[问答题]
The food web below shows oxw+j 1 2)7ru )hud-a bijnj6xthe m b*ru,6 ,jql +7rsfu/k*n smrfeeding relationships in a soil ecosystem.
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
