Illustration shows hummingbirds. Trochilidae
Illustration shows hummingbirds. Trochilidae. - Kolibris, 1 print : color lithograph ; sheet 36 x 26 cm., 1904. Ernst Haeckel 1834 a 1919 German biologist, naturalist, philosopher, physician, professor, and artist who discovered, described and named thousands of new species, mapped a genealogical tree relating all life forms, and coined many terms in biology, including anthropogeny, ecology, phylum, phylogeny, stem cell, and Protista.
© copyright Artokoloro Quint Lox Limited
Diatoms. Coloured scanning electron micrograph (SEM) of fresh water centric diatom frustules (skeleton), Diatoms are a type of algae (Chromophyta, Bacillariophyceae). They consist of two valves, made of silica (hydrated silicon dioxide), which fit together like the top and bottom of a box. The exterior of the valves are often highly decorative, with pores, spikes or other types of projections. Diatoms are important alga in the fresh water food chain. Magnification: x 500 when printed at 10cm wide.
© Science Photo Library
Solar Panels on House Roof
Solar Panels on roof top of house in suburban neighborhood with view of Mount Saint Helens
© David Gn
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