<p><strong>Fig. 2.3.</strong>&nbsp;(<strong>D</strong>) The brown macroalga giant kelp, <em>Macrocystis pyrifera</em>, in a Pacific kelp forest</p>

Fig. 2.3. (D) The brown macroalga giant kelp, Macrocystis pyrifera, in a Pacific kelp forest

Image courtesy of Claire Fackler, National Oceanic and Atmospheric Administration (NOAA)