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Grade 2. Ecosystem Diversity challenges students to compare habitats and consider basic needs of living things. Throughout the unit, students populate habitat posters with organism decals, reinforcing the idea that all living things have the same basic needs. Students also plant seeds, observe tadpoles, experiment with models, and put on a play about seed dispersal. Finally, groups create and populate their own habitat posters and justify whether the organisms pictured would be able to survive there.
Grade 2. In Ecosystem Diversity, students compare diverse habitats and consider the basic needs of various species of living things. The unit begins with an informal pre-assessment in which students brainstorm living and non-living things. Then, the class assembles a set of 6 habitat puzzle posters representing different climates. Throughout the unit, students populate the posters with different types of organisms, reinforcing the idea that all living things have the same basic needs, even though their characteristics can be very unique.
As students populate the habitat posters with decals representing living things, they develop a deeper understanding of plants, mammals, birds, reptiles and amphibians, insects, and fish.
Students plant seeds, observe tadpoles, and experiment with models that represent different animal structures, including bones, fur and hair, feathers, exoskeletons, and blubber. Students even put on a play that explores how animals assist in seed dispersal.
At the end of the unit, student groups work collaboratively to create and populate their own habitat puzzle posters. Then, using a poster designed by another group, students independently justify whether the organisms pictured would be able to survive in the habitat based on what they have learned about the plants and animals that inhabit each specific ecosystem.
The unit kit for Ecosystem Diversity includes a Teacher’s Guide (item #514402), a prepaid coupon for living materials, and enough supplies and apparatus to teach the unit to a class of up to 24 students.
|Net, Aquarium Dip, 3”||1||Included|
|Balloon, Round, Assorted, 11”||12||Included|
|Bookend, with Nonslip Base||6||Included|
|Conditioner, Tap Water||1||Included|
|Clamp Lamp with Reflector||3||Included|
|Light Bulb, 72 W, Economy, Soft White||4||Included|
|Cup, Plastic, 9 oz||64||Included|
|Tank, Plastic, 1-1/2 gal||6||Included|
|Honeybee, Dried, Pack||1||Included|
|Lady Bug Life Cycle Stages||6||Included|
|Seed, Lima Bush Bean, 1/2 lb||1||Included|
|Label, Round, Liquid Crystal, 1”||50||Included|
|Glove, Disposable, Small||100||Included|
|Tank, Plastic, 1 gal||1||Included|
|Lid, Plastic, for Tank, 1 gal||1||Included|
|Bag, Plastic, Resealable, 3 x 4”||16||Included|
|Bag, Plastic, Resealable, 6 x 9”||70||Included|
|Decal Sheets, Ecosystem Diversity||11||Included|
|Sprayer, Plant Mister||3||Included|
|Bottle, Plant Mister||3||Included|
|Thermometer, Metal, Immersion||24||Included|
|Pebbles, Waterworn, Bag||1||Included|
|Mix, Potting, 2 lb||1||Included|
|Shortening, Vegetable, 6 lb||1||Included|
|Ultra-Velcro® Hook, 2” x 25 yd, Roll||1||Included|
|Vinegar, White, Pint||2||Included|
|Container, Green, King||1||Included|