Biomes. Biodiversity.
Deserts
Lakes
Tundra
Grasslands
Deserts
Estuaries
Barrier islands
Coral reefs
Savannas
Fungi.
Vascular plants.
Bacteria and viruses.
Invertebrates.
Reptiles
Habitat loss.
Exploitation through overharvesting.
Global climate change
None of the above
20
3,000
5,500
120,000
1,234,567
20% lower than in undisturbed ecosystems.
Around the same as the extinction rate in undisturbed ecosystems.
100-1000 times than in undisturbed ecosystems.
20% higher than in undisturbed ecosystems
True
False
6 months
5-12 years
20-100 years
200-1,000 years
Hundreds of thousands of years
The role a species plays in a community.
The distribution of the specific organism
The variety of genetic mutations in a particular population.
None of the above
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