Multiple choice

Diatoms belong to

  1. Phaeophyceae

  2. Bacillariophyceae

  3. Chlorophyceae

  4. Xanthophyceae

  5. -
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Diatoms are a major group of algae, and are among the most common types of phytoplankton. Although diatoms can form colonies in the shape of filaments or ribbons, they are unicellular. They belong to the class Bacillariophyceae.

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