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Components of Ecosystems

Readiness

Components of Ecosystems

TEKS Objective

The student is expected to observe the way organisms live and survive in their ecosystem by interacting with the living and non-living elements.


Essential Understanding

The student knows that there are relationships, systems, and cycles within environments.

Science Background

Introduction to Ecosystems: BioEd Online (video) – Overview of the interactions among the components of ecosystems, cycles with ecosystems and basic types of ecosystems.

Introduction to Ecosystems
BioEd Online, www.bioedonline.org

The Concept of the Ecosystem: University of Michigan (website) -Detailed background information about ecosystems, covering topics such as processes that occur within ecosystems, living (biotic) and non-living (abiotic) components, transformation of energy, and more.

The Concept of the Ecosystem
University of Michigan, Global Change Program, www.globalchange.umich.edu

Habitats: World Wildlife Fund (website) - Overview of the major types of habitats, including information about the plants and animals that populate them.

Habitats
World Wildlife Fund, wwf.panda.org

Signature Lesson

Microclimate in the Schoolyard: National Geographic Xpeditions (website) - Students observe and compare conditions in their schoolyard to those of a prairie (Texas has many native prairie ecosystems, including the endangered coastal prairie).

Microclimate in the Schoolyard
National Geographic Xpeditions, www.nationalgeographic.com/xpeditions

Supporting Lessons

Ecosystem Comparison: Aquarium of the Pacific (PDF) - Students compare and contrast a coral reef and a kelp forest ecosystem, and identify the key living and non-living components of each system. Includes student sheets, discussion questions, extensions and answer keys.

Ecosystem Comparison
Aquarium of the Pacific, www.aquariumofpacific.org

Elaboration Lessons and Extensions

Habitat Breakdown: Texas A&M University (website) - Investigate the critical roles that food, water, shelter and space play in enabling organisms to survive in a given habitat. Includes assessment and math connections.

Habitat Breakdown
Texas A&M University, iitc.tamu.edu

Assessment Ideas

Have students observe the microclimate in their own backyard or near their homes and compare their observations with the data obtained from obervations made around their school. Let them write a compare and contrast paper based on the similarities and differences between the two sites.

Literature Connections

Draw-Write-Now, Book 6: Animals and Habitats: On Land, Ponds and Rivers, Oceans. Hablitzel, Marie; Stitzer, Kim (ISBN-13: 978-0963930767)

Desert Giant: The World of the Saguaro Cactus. Bash, Barbara (ISBN-13: 978-1578050857)

Here is the African Savanna. Dunphy, Madeline (ISBN-13: 978-0977379521)

Journey into the Rain Forrest. Knight, Tim (ISBN-13: 978-0195217513)

Related Science TEKS

(5.9B) Energy Flow
The student is expected to describe how the flow of energy derived from the Sun, used by producers to create their own food, is transferred through a food chain and food web to consumers and decomposers.

(5.9C) Changes in Ecosystems
The student is expected to predict the effects of changes in ecosystems caused by living organisms, including humans, such as the overpopulation of grazers or the building of highways.

Related Math TEKS

5.13C   The student is expected to graph a given set of data using an appropriate graphical representation such as a picture or line graph.

Additional Resources

What’s It Like Where You Live: Missouri Botanical Garden (website) - Interactive website, appropriate for teachers and students, with information about the world’s major biomes and types of ecosystems.

What’s It Like Where You Live
Missouri Botanical Garden, mbgnet.net

Habitats, Home Sweet Home: National Geographic (website) - Collection of lesson plans and resources on different kinds of habitats (cities and suburbs, forests, oceans and coasts, etc.).

Habitats, Home Sweet Home
National Geographic, www.nationalgeographic.com

Where Does It Live? FOSSWEB (website) - Sort different organisms (e.g., rattlesnake, starfish, black bear) by the types of habitats in which they live.

Where Does It Live?
FOSSWEB, www.fossweb.com

What Doesn’t Belong: FOSSWEB (website) - This web-based activity requires students to identify organisms that do not belong in a series of different habitats.

What Doesn’t Belong
FOSSWEB, www.fossweb.com

Organism Match: FOSSWEB (website) - Students play an interactive, online, “concentration” type card game to identify and learn about different organisms that live in a variety of habitats.

Organism Match
FOSSWEB, www.fossweb.com

Habitat Gallery: FOSSWEB (website) - Learn about different types of habitats (e.g., desert, wetland, tundra) and the organisms that live in them.

Habitat Gallery
FOSSWEB, www.fossweb.com

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