Multiple choice

Which of the following corals is used as an important environmental indicator in the study of long term climate change?

  1. Blue coral

  2. Elkhorn coral

  3. Black corals

  4. Bamboo coral

  5. Organ pipe coral
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Bamboo coral  is a commonly recognised inhabitant of the deep sea, due to the clearly articulated skeletons of the species. These organisms may be an important environmental indicator in the study of long term climate change, as some specimens of bamboo coral have been discovered that are 4,000 years old.

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