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. Author manuscript; available in PMC: 2019 Jul 26.
Published in final edited form as: Evol Ecol Res. 2014;16(3):203–221.

Fig. 4.

Fig. 4.

Pleodorina starrii colonies showing tiered arrangements of cells (contrast-enhanced). Photographs have been scaled to emphasize the similarities; all scale bars are 50 μm. (A) Immature 8-celled colony; (B) mature 8-celled colony; (C) mature 16-celled colony; (D) mature 16-celled colony with one cell in the second tier differentiated as soma; (E) mature 16-celled colony with three cells in the second tier differentiated as soma; (F) immature 32-celled colony; (G) mature 32-celled colony; (H) mature 32-celled colony with one reproductive cell in the second tier; (I) mature 32-celled colony with two reproductive cells in the second tier.