How Well Do You Understand Global Species Diversity?
Take this quiz to gauge your understanding of the planet’s biological richness and the forces shaping it.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
What percentage of all known species on Earth have been formally described by scientists?
- 2
Which of the following criteria defines a biodiversity hotspot?
- 3
A keystone species most directly influences which ecological process?
- 4
Why is genetic diversity crucial for population resilience?
- 5
Coral reefs support roughly what share of marine species despite covering only 0.1% of the ocean floor?
- 6
Which IUCN category indicates a species is at the highest risk of extinction in the wild?
- 7
Which service provided by wetlands is classified as a regulating service?
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