Community Structure and Keystone Species: Robert Paine’s Pisaster Experiments, Trophic Cascades, and Ecosystem Engineers CER Phenomena Worksheet cover

Community Structure and Keystone Species: Robert Paine’s Pisaster Experiments, Trophic Cascades, and Ecosystem Engineers CER Phenomena Worksheet | Biology II | Grades 9–12

$3.50
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Community Structure and Keystone Species: Robert Paine’s Pisaster Experiments, Trophic Cascades, and Ecosystem Engineers CER Phenomena Worksheet cover
  • Community Structure and Keystone Species: Robert Paine’s Pisaster Experiments, Trophic Cascades, and Ecosystem Engineers CER Phenomena Worksheet cover
  • Community Structure and Keystone Species: Robert Paine’s Pisaster Experiments, Trophic Cascades, and Ecosystem Engineers CER Phenomena Worksheet sample page
  • Community Structure and Keystone Species: Robert Paine’s Pisaster Experiments, Trophic Cascades, and Ecosystem Engineers CER Phenomena Worksheet sample page
Community Structure and Keystone Species: Robert Paine’s Pisaster Experiments, Trophic Cascades, and Ecosystem Engineers CER Phenomena Worksheet | Biology II | Grades 9–12

Community Structure and Keystone Species: Robert Paine’s Pisaster Experiments, Trophic Cascades, and Ecosystem Engineers CER Phenomena Worksheet | Biology II | Grades 9–12

$3.50

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Community Structure and Keystone Species: Robert Paine’s Pisaster Experiments, Trophic Cascades, and Ecosystem Engineers CER Phenomena Worksheet is a Claim-Evidence-Reasoning phenomena worksheet for Biology II (grades 9–12) on Community Structure and Keystone Species: Robert Paine’s Pisaster Experiments, Trophic Cascades, and Ecosystem Engineers (chapter: Biogeochemical Cycles).

Pairs with: Biogeochemical Cycles Slide Show Presentation; Biogeochemical Cycles Guided Notes; Biogeochemical Cycles Lesson Quiz; Biogeochemical Cycles Unit Test.

Sections: National Teaching Standard & Investigation Objective; Investigation Evidence Dossier (documents 1–5); Document-based Scientific Writing Prompt (dbq); Student CER Writing Response Section; 4-point Analytic CER Scoring Rubric; 1. Exemplary Model Thesis / Claim:; 2. Designated Evidence Points From Documents:; 3. Comprehensive Scientific Reasoning:. Sample item: “Teacher: _______________________”

What's inside: Community Structure and Keystone Species: Robert Paine’s Pisaster Experiments, Trophic Cascades, and Ecosystem Engineers CER Worksheet (editable .docx + PDF, about 2,113 words, 9 pages); answer key / model answers for the teacher.

Standards: NGSS High School Life Science (HS-LS) disciplinary core ideas and the science practices of analyzing data and constructing explanations.

Resource type: CER Phenomena Worksheet. Format: editable Microsoft Word file plus a ready-to-print PDF.

Classroom use: Students read the case, analyze the data, and write a CER argument; a model answer and scoring guide are included. Built for Biology II, grades 9–12.

Format note: These files are delivered in Microsoft Office formats (Word and/or PowerPoint). If you open a worksheet that includes tables in Apple Pages or another non-Microsoft app, table formatting may not display correctly. For best results, use Microsoft Word or PowerPoint (or upload the file to Google Docs). If you run into any formatting issues, contact us and we can send a PDF version.

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