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 nutrvpqd. u2*m 7e/o lp9hdients by relx56 c5f kzo -lrlm/r.ceasing digestive enzymes into their surroundings. The enzym/k r.c5lofmxrl z56c- es break down things such as dead and decaying leaves, and the fungi then absorb 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 (Optionsy l4 dnq f/y:5osbh7q1 A, B). They are self-feeding whereas heterotrophs are organisms that gain nutrition by feeding on other organisms (Options C, D). Detritivores consume dead sq4dy q: l1/y7noh5bf organic matter by ingestion (Option C) whereas saprotrophs break down food outside their bodies by secreting enzymes into the environment.
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