Disruptions to ecosystems (K-A)

S#	Lecture	Course	Institute	Discipline
1	How did all dinosaurs except birds go extinct? (K-A)	Disruptions to ecosystems (K-A)	Khan Academy	Basic and Health Sciences
2	How does climate change affect biodiversity? (K-A)	Disruptions to ecosystems (K-A)	Khan Academy	Basic and Health Sciences
3	Human activities that threaten biodiversity (K-A)	Disruptions to ecosystems (K-A)	Khan Academy	Basic and Health Sciences
4	Were dinosaurs undergoing long-term decline before mass extinction? (K-A)	Disruptions to ecosystems (K-A)	Khan Academy	Basic and Health Sciences

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