
Causes and Consequences of Extinction
9th Grade · Science · 45 min
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Learning Objective
I can analyze the causes and consequences of species extinction.
- 1
According to the IUCN Red List, 99% of species threatened today are due to habitat loss, the introduction of invasive species, and climate change.
- 2
Humans contribute to biodiversity loss through climate change, habitat destruction, poaching and overfishing, and the introduction of foreign species.
- 3
Species like the Sumatran orangutan, tiger, and rhino are critically endangered due to palm oil production, which causes deforestation in tropical rainforests in places like Malaysia and Indonesia.


