Multiple choice

What are Pinctada margaritifera and Pinctada martensii known for?

  1. Seafood

  2. Natural pearls

  3. Money use

  4. Colourful dyes

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

Pinctada margaritifera and Pinctada martensii (marine oysters) are known for their best natural pearls. They live in the tropical and subtropical waters of the Pacific Ocean.