<p><strong>Fig. 3.5.</strong> (<strong>B</strong>) Microscope image of a small colony of choanoflagellate cells (approximately 230 individuals; black bar indicates 10 micrometers or 0.01 millimeters)</p>

Fig. 3.5. (B) Microscope image of a small colony of choanoflagellate cells (approximately 230 individuals; black bar indicates 10 micrometers or 0.01 millimeters)

Image courtesy of Dhzanette, Wikimedia Commons