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 digestive enzymes into ig. iu wu;j*b:the ggth:3kr n )h ..vtc*b:rqjt 0w1gc:air surroundings. The enzymes break down things such as dead and decaying leaves, and the fungi then absorb the pcqh rg vk:1:)c.jt hg3b*0 an. r:wtgtroducts.
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 whereas heted1c4x go59 )uzfegg pp7+at+r0 zykau.c7 -ahrotrophs are organisms that gain nutrition by feeding on other organisms (Options C, D). Detritivores consume dead organic matter by ingestion (Option C) whereas sapro)fh- try+aag k5 4pa 0xez.c+77gug 1 upzocd9trophs break down food outside their bodies by secreting enzymes into the environment.
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