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Extras

    Video thumbnail: Science Trek Habitat:  Food Webs

    Science Trek

    Habitat: Food Webs

    Why are food webs important in a habitat?

    Habitat: Food Webs

    Video thumbnail: Science Trek Habitat:  Habitats, Ecosystems, and Biomes

    Science Trek

    Habitat: Habitats, Ecosystems, and Biomes

    Find out the differences between habitats, ecosystems and biomes.

    Habitat: Habitats, Ecosystems, and Biomes

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