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Khan Academy (English - US curriculum)
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Khan Academy (English - US curriculum)
Science & Engineering
High school biology
Ecology
Human impact on ecosystems
Human impact on ecosystems
Human activities that threaten biodiversity
What is a biodiversity hotspot?
Conservation and the race to save biodiversity
Introduced species and biodiversity
How does climate change affect biodiversity?
Protecting biodiversity: the power of the individual
Protecting biodiversity: local and global policies
Human impact on ecosystems
