Submitted as part of the California Learning Resource Network (CLRN) Phase 3 …
Submitted as part of the California Learning Resource Network (CLRN) Phase 3 Digital Textbook Initiative (CA DTI3), CK-12 Foundation's high school Biology FlexBook covers cell biology, genetics, evolution, ecology, botany, zoology, and physiology. This digital textbook was reviewed for its alignment with California content standards.
Looking for lichens is an activity that can be done almost anywhere. …
Looking for lichens is an activity that can be done almost anywhere. Students get to search for them in the playgrounds and schoolyards, and they can be used as an indicator of air quality.
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