Chapter 21, Problem 2CT

Summary Introduction

To explain: The reason why a lack of silica would interfere with diatom reproduction.

Concept introduction: Diatoms are single-celled algae. They have cell walls of silica. Many of the algae are planktonic and extensive fossil deposits have been found. They are a major group of microorganisms that are found in the oceans, waterways, and soils of the world.