Emiliania huxleyi - single-celled marine phytoplankton that produce calcium carbonate scales (coccoliths). A scanning electron micrograph of a single coccolithophore cell. Taylor (University of North Carolina Wilmington Microscopy Facility)
FOR THE AGES Single-celled foraminifera helped to create the materials used in some of the world’s great monuments, and are also very valuable in telling Earth’s history because they produce shells that make good fossils.
A zebrafish is a tropical freshwater fish in the minnow family. These to odd looking creatures are 2 day old zebra fish larvae. Picture Credit: Jurgen Berger and Mahendra Sonawane, both employees at the Max Planck Institute for Developmental Biology.