Image of Euglena, a protist with some animal (it moves about using a flagellum and can eat things) and plant (it can photosynthesise in its chloroplasts) characteristics. This makes it a favourite topic in biology classes.
Illustration ID: PROTOZOAN-EUGLENA-1
Russell Kightley
Illustration size: 33.3 Mpixels (95.4 MB uncompressed) - 5000x6668 pixels (16.7x22.2 in / 42.3x56.5 cm at 300 ppi)