Multiple choice

Which environment covers less than 7% of Earth's landmass but has 50% of all living things?

  1. oceans

  2. polar regions

  3. coral reefs

  4. tropical forests

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Tropical forests, including rainforests, are biodiversity hotspots that house a massive percentage of the world's species despite covering a small area.