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