LS2+p2

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 * = LS2- Matter cycles and energy flows through an ecosystem. =


 * **NECAP Items:** || [[image:Spacer1Inch.jpg width="265" height="3"]] ||  ||
 * [[image:Spacer1Inch.jpg width="310" height="3"]] || * NECAP 2008 Gr 08 09
 * NECAP 2008 Gr 08 09 Analysis || [[image:Spacer1Inch.jpg width="250" height="3"]] ||

// Click on the GSE numbers, e.g PS1 (K-2) - POC - 2, in the table below to reach additional information about each GSE. // || Grade Span Expectations (5-8) ||  || Grade Span Expectations (HS) ||   ||
 * || Grade Span Expectations (K-4) ||
 * || LS2 (K-2) - 6
 * Students demonstrate an understanding of food webs in an ecosystem by …**

6a acting out or constructing simple diagrams (pictures or words) that shows a simple food web.

6b using information about a simple food web to determine how basic needs (e.g. shelter and water) are met by the habitat/environment. || LS2 (3-4) - 6
 * Students demonstrate an understanding of food webs in an ecosystem by …**

6a __demonstrating in a food web that all animals’ food begins with the sun.__

6b using information about organisms to __design a habitat and explain how the habitat provides for the needs of the organisms that live there__

6c __explaining the way that plants and animals in that habitat depend on each other.__ || LS2 (5-6) - 6
 * Students demonstrate an understanding of energy flow in an ecosystem by …**

6a identifying the sun as the major source of energy for life on earth and __sequencing the energy flow in an ecosystem__.

6b. __describing the basic processes and recognizing the substances involved in photosynthesis and respiration.__ || LS2 (7-8) - 6
 * Students demonstrate an understanding of energy flow in an ecosystem by …**

6a __explaining the transfer of the sun’s energy through living systems and its effect upon them.__

6b describing the basic processes and __recognizing the names and chemical formulas of the substances__ involved in photosynthesis and respiration.

6c __explaining the relationship__ __between photosynthesis and__ __respiration__.


 * Students demonstrate an understanding of food webs in an ecosystem by …**

6d creating or interpreting a model that __traces the flow of energy in a food web__. || LS2 (9-11) - 4
 * Students demonstrate an understanding of matter and energy flow in an ecosystem by …**

4a diagramming __the energy flow in an ecosystem that compares the energy at different trophic levels.__ (e.g. What inferences can you make about energy “loss”& use?).

4b explaining __how the chemical elements and compounds that make up living things pass through food webs and are combined and recombined in different ways__ (e.g. nitrogen, carbon cycles, O2, & H2O cycles). || **Example Extension(s)** LS2 (Ext) - 4
 * Students demonstrate an understanding of matter and energy flow in an ecosystem by …**

4aa explaining the energy transfer with cells in photosynthesis and cellular respiration, tracking ATP production and consumption. ||