
Fig. 2.33. (A) Sargassum natans is a brown alga with pneumatocyts (gas floats) that is often found floating in the ocean.
Image courtesy of James St. John, Flickr
Fig. 2.33. (A) Sargassum natans is a brown alga with pneumatocyts (gas floats) that is often found floating in the ocean.
Image courtesy of James St. John, Flickr