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List of Benchmarks for Geography 
 Standard 8.Understands the characteristics of ecosystems on Earth's surface
Topics1. Impact of society on the environment; 2. Ecosystems and biomes
   Level II (Grade 3-5)
  Benchmark 2.Knows ways in which humans can change ecosystems (e.g., clearing forests, widening channels of waterways, draining wetlands, wetting or suppressing fires)
   Vocabulary terms
A.  human modification of ecosystems
B.  forest clearing
C.  widening of waterways
D.  wetland draining
E.  fire suppression
  Knowledge/skill statements
  1. Knows that humans can change ecosystems by clearing forests   
  2. Knows that humans can change ecosystems by widening channels of waterways   
  3. Knows that humans can change ecosystems by draining wetlands   
  4. Knows that humans can change ecosystems by wetting or suppressing fires   

Citation Log: BD(GE,121;​EI,14;​NI,60;​TE,42;​DI,14.2.1)
Citation reference
BD = benchmark, declarative
BP = benchmark, procedural
BC = benchmark, contextual

1st letter/number of each code in parentheses:
DD   Department of Defense: Prekindergarten Social Studies Standards
E   JCGE: Guidelines for Geographic Education
G   GESP: National Geography Standards
HS   Head Start: Child Outcomes Framework
I   IDOE: The Foundations for Young Children to the Indiana Academic Standards
IE   International Baccalaureate: Environmental Systems
IG   International Baccalaureate: Geography
MH   McGraw-Hill: Pre-Kindergarten Standards: Guidelines for Teaching and Learning
N   NAEP: Item Specifications in Geography
NZ   New Zealand Ministry of Education: Early Childhood Curriculum
O   OSDE: Oklahoma Developmental Learning Skills for Four-Year-Olds
T   GENIP: K-6 Geography: Themes, Key Ideas
TX   TEA: Texas Prekindergarten Curriculum Guidelines

2nd letter code :
E = Explicitly stated in document
I = Implicit in document

Page number of the cited document