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]
Figure: Equipment used in e y1 bced138q udrf+6mqcol h:4j-gxlx7j1-dw5(2ar coi( a khf ukogical sampling
[Wondrak-Biel, A. (2011) Equipment used to determine soil stability. Wikimedia Commons. Retrieved Aug 2, 2023, from https ://upload.wikimedia.org/wikipedia/commons/c/cf/Equipment_used_for_determining_soil_stability._%28bdfac7b9-e781-44d1-a75f-6e44f84ec5be%29.jpg. Public Domain]
Label the device in the Figure indicated by the arrow.
A. A line transect
B. A dichotomous key
C. A quadrat
D. A Cartesian plane
参考答案: C
本题详细解析:
The item in the picture is a quadratu-f x xko92v;4ffpr6h square, so option C is the correct choice. Option A is a sampling method using a long line cutting across the sample space and is often used together with quadrats. Option B is an identification key used to distinguish be v4xp f-fhxk6u9;r fo2tween a set of organisms based on paired choices in their observable characteristics. Option D is a grid on paper and is used for mathematics.
| 
