Habitats and adaptations
A habitat provides conditions and resources an organism uses.
Explore the lesson →Learning path01 02 03
Build understanding one idea at a time.
Read in order or select a topic. The suggested grade range is 4–7; educators should assess suitability for their learners.
Food webs
A food web represents feeding relationships.
Explore the lesson →Observe biodiversity
Biodiversity includes variety within species, among species, and across ecosystems.
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