Chapter 2 Photo Credit

[1] By wikimedia user Sponk

[2] Noller lab at University of California at Santa Cruz

[3] By wikipedia user Bensaccount

[4] By Stewart EJ, Madden R, Paul G, Taddei F (2005) – Aging and Death in an Organism That Reproduces by Morphologically Symmetric Division

[5] by Paul Harrison

[6] by NASA, GSFC/Jeff Schmaltz/MODIS Land Rapid Response

[7] By James St. John, edited. Original here.

[8] Nikon Small world award winning entry by Charles B. Krebs.

[9] by Frank Fox at mikro-foto.de

[10] by Peter Southwood