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List of Benchmarks for Geography 
 Standard 8.Understands the characteristics of ecosystems on Earth's surface
  
Topics1. Ecosystems and biomes ; 2. Impact of society on the environment
   Level III (Grade 6-8)
  Benchmark 5.Knows the potential impact of human activities within a given ecosystem on the carbon, nitrogen, and oxygen cycles (e.g., the role of air pollution in atmospheric warming or the growing of peas and other legumes, which supply their own nitrogen and do not deplete the soil)
   Vocabulary terms
A.  human impact on ecosystem
B.  carbon cycle
C.  nitrogen cycle
D.  oxygen cycle
E.  atmospheric warming
F.  sustainable farming
  Knowledge/skill statements
  1. Knows the potential impact of human activities on the carbon cycle within a given ecosystem   
  2. Knows the potential impact of human activities on the nitrogen cycle within a given ecosystem   
  3. Knows the potential impact of human activities on the oxygen cycle within a given ecosystem   
  4. Understands the role of air pollution in atmospheric warming   
  5. Knows that peas and other legumes supply their own nitrogen and do not deplete the soil   


Citation Log: BD(GE,159;​NI,54-55)
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

Number:
Page number of the cited document