<p><strong>Fig. 2.34.</strong> (<strong>A</strong>) Diatoms are small, silicon rich phytoplankton found throughout the world in a wide variety of shapes and patterns.</p>

Fig. 2.34. (A) Diatoms are small, silicon rich phytoplankton found throughout the world in a wide variety of shapes and patterns.

Image courtesy of Wipeter, Wikimedia Commons