本题目来源于试卷: IB ESS Unit 2: Ecosystems & Ecology，类别为 IB环境系统与社会
[单选题]
Some fungi obtain nutrients by releasing digestivj f5fzj0h,pr4/ik) wie enzymes into their sw n-q7z- c x6hhb-q4giurroundings. The enzymes break down things such as dead and decaying leaves, and the fungi then absorbnc-67- g qzhqi4h-wbx the products.
State the terms that best describe these fungi.
A. Autotrophic detritivores.
B. Autotrophic saprotrophs.
C. Heterotrophic detritivores.
D. Heterotrophic saprotrophs.
参考答案: D
本题详细解析:
Autotrophs are producers (Options A, B). They are self-feeding :,ar9 znoenyhc:9lv9 whereas heterotrophs are organisms that gain nutrition by feeding on other oez n cl:o99, v9hy:ranrganisms (Options C, D). Detritivores consume dead organic matter by ingestion (Option C) whereas saprotrophs break down food outside their bodies by secreting enzymes into the environment.
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