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Ecosystems loading

A natural unit consisting of all the living organisms and nonliving physical factors in an area.

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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
  • Read
    Ecosystems

    Ecosystems

    by CK-12 //at grade
    Introduction to ecosystems and other ecological concepts.
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    Ecosystems

    Ecosystems

    by Colin Hubbard //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Unit 2: Ecosystems

    Unit 2: Ecosystems

    by MaryAnn Prokow //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems

    Ecosystems

    by Thasanee Chantarojwong //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems

    Ecosystems

    by WBASD Science //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecology_part 1_MrSapora

    Ecology_part 1_MrSapora

    by Slade Sapora //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems

    Ecosystems

    by Angelica Amposta //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems

    Ecosystems

    by Shonda Phelps //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    2.1 Ecosystems

    2.1 Ecosystems

    by Jeff Huska //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems

    Ecosystems

    by biologyepisd //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems

    Ecosystems

    by Jennifer Tagliaferro //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems

    Ecosystems

    by Aaron Pidek-NGH //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems

    Ecosystems

    by Kathryn Sander //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Introduction to Ecosystems

    Introduction to Ecosystems

    by Mark Wicks //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems

    Ecosystems

    by Jeniphr Grant //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems

    Ecosystems

    by NMH Biology //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems

    Ecosystems

    by BeLynda Lee-Jensen //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems

    Ecosystems

    by Erin Schmidt //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems

    Ecosystems

    by Andrea Pokrzywinski //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems

    Ecosystems

    by Cora James //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems

    Ecosystems

    by Elizabeth Lewis //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems Review Reading and Explorations

    Ecosystems Review Reading and Explorations

    by Dci Ste //at grade
    This brief reading from CK 12 provides a review of ecosystems concepts from grades 6-8 (abiotic and biotic factors, niche, habitat). Additional resources include an online simulation in which students can explore relationships within ecosystems, and a flash interactive that explains population explosions).
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  • Read
    The Ecosystem

    The Ecosystem

    by Andrea Pokrzywinski //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystems3

    Ecosystems3

    by Tara Spitzer List //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    Ecosystem's Characteristics

    Ecosystem's Characteristics

    by Idaho Open Science '16 //at grade
    Introduction to ecosystems and other ecological concepts.
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  • Read
    The Ecosystem - Advanced

    The Ecosystem - Advanced

    by CK-12 //
    Defines the term ecosystem.
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  • PLIX
    Food Pyramid

    Food Pyramid

    by CK-12 //at grade
    Ecosystems Interactive
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  • Video
    Levels of Ecological Organization - Overview
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  • Video
    Levels of Ecological Organization - Example 1

    Levels of Ecological Organization - Example 1

    by CK-12 //basic
    Biotic v. Abiotic Factors
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  • Lesson Plan
    Rat Attack

    Rat Attack

    by CK-12 //at grade
    Lesson plan includes objectives, background, interactive flash program, teacher sheet "Oak Tree Forest Ecosystem", student handout "Acorns Aplenty" and an assessment rubric. Students use an online interactive to explore what happens to one forest ecosystem when a resource pulse occurs
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  • Downloadable Quiz
    Ecosystems Quiz

    Ecosystems Quiz

    by CK-12 //at grade
    What makes up an ecosystem
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  • Practice
    Ecosystems Practice
    Estimated4 minsto complete

    Ecosystems Practice

    by CK-12 //at grade
     
     
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  • Critical Thinking
    Ecosystems Discussion Questions

    Ecosystems Discussion Questions

    by CK-12 //at grade
    A list of student-submitted discussion questions for Ecosystems.
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  • Real World Application
    When Do Ecosystems Go Wrong?

    When Do Ecosystems Go Wrong?

    by Jherai Yumang //basic
    Find out the whole story on ecosystems and invasive species. It probably isn't what you think.
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  • Real World Application
    Invasive Species

    Invasive Species

    by David Hart //basic
    Find out the whole story on ecosystems and invasive species. It probably isn't what you think.
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  • Real World Application
    Someone Ate My Otter... Or Did They?

    Someone Ate My Otter... Or Did They?

    by CK-12 //at grade
    Describes the current state of the Southern Sea Otter and efforts to explain declining population levels. The answer to the problem lies in the interplay of multiple factors giving students a real world conservation problem.
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  • Real World Application
    Rainforest Fertilizer

    Rainforest Fertilizer

    by CK-12 //at grade
    Covers connection between African dust and Amazonian productivity. This looks at connections throughout the globe and traces these connections up through an ecosystem.
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  • Real World Application
    Manna From Penguins

    Manna From Penguins

    by CK-12 //at grade
    Covers plants endemic to Antarctica, their relationship to fossilized penguin guano, and the effects of climate change on them. Illustrates the importance of bottom up forces in establishing ecosystems.
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  • Presentation
    Ecology

    Ecology

    by CK-12 //at grade
    Google Docs presentation: Direct instruction on vocabulary, ecological methods, and interpreting data. There is a quick fill in the blank vocabulary review, energy flow, food web and structure, ecological pyramid and biogeochemical cycles.
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  • Study Guide
    Science of Ecology Study Guide

    Science of Ecology Study Guide

    by CK-12 //at grade
    This study guide introduces ecology and looks at how organisms interact with the environment. It also reviews ecosystems, food chains, food webs, and trophic levels.
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  • Flashcards
    Ecosystems Flashcards

    Ecosystems Flashcards

    by CK-12 //at grade
    These flashcards help you study important terms and vocabulary from Ecosystems.
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