Practice question
Question
An aquatic microscopic organism floats passively in water and has a wall formed by two overlapping, silica-containing shells. Which further conclusion is correct?
Explanation
The organism is a diatom. Diatoms are microscopic plankton whose walls form two thin, overlapping shells embedded with silica. The accumulated deposits of these indestructible walls form diatomaceous earth.
Discussion
Comments
Please log in to join the discussion.
Login to commentNo comments yet. Be the first to start the discussion.