Multiple choice

Which of the following is one of the biggest threats to marine ecosystems?

  1. Rising ocean temperatures

  2. Laws limiting whale hunting

  3. Hurricanes

  4. Hydroelectric power plants

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

Rising ocean temperatures, caused by climate change, lead to coral bleaching, habitat loss, and shifts in species distribution, making it a primary threat to marine ecosystems.