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Ammonite inside a limestone rock. The ammonites where living between 409 and 65 million years ago (Mya). The image was captured in the canton of Aargau (Switzerland).
Sweets which are also called Turskih delight, close up view
Microscopic photo of a thin section of calcareous tufa of Holocene age.
Unique underground geology of  stalactites and stalagmites.
centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification
Photomicrograph of rotifer. Rapidly rotating cilia at top of head, internal organs visible. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
Micro photo of Tardigrade
Haliotis kamtschatkana, northern abalone or pinto abalone, is a species of large sea snail, a marine gastropod mollusc in the family Haliotidae, the abalones. It has been listed as \
Epidermis. Electron microscope micrograph showing a keratinocyte of spinous layer. The epithelial cell has a polygonal shape, central nucleus with nucleolus, cytoplasm full of keratin filament bundles, and numerous dark desmosomes crossing the intercellular spaces.
Monotomidae, Coleoptera Fossil in Burmese amber of Cenomanian era, 100 million years ago, from the state of Myanmar, extreme macro shot
Leiden leaf c.s. under microscope
Fall Autumn Colors Around Telluride
Cross-section Dicot, Monocot and Root of Plant Stem under the microscope for classroom education.
Lumpy sedimentary rock close up.
Diatoms are photosynthesising algae, they have a siliceous skeleton (frustule) and are found in almost every aquatic environment including fresh and marine waters, soils, in fact almost anywhere moist.
crystaline Barite or Barytes mineral sample- clear or translucent dense mineral collected from the UK
Beautiful fossil of some sort of dinosaur reptile from Madagascar, isolated on a white background
Above and below the sea surface at Pedn Vounder Beach, Cornwall on a June day.
Host rock filled with dozens of closely packed spiral-shelled fossils (Turritella). Topanga Canyon Formation, Miocene Era, near Malibu, California.
Small Fossil Shell  on a limestone rock. The image was captured in italy (campania).
The stalactites are in wooden trays in an exhibition hall
Photomicrograph of planaria, a flatworm, Dugesia species. Slight motion blur in head. Freshwater stream, San Luis Obispo, California. Live specimen. Wet mount, 2.5X objective, transmitted brightfield illumination.
Eggs of helminth and Finding parasites in feces, analyze by microscope in laboratory.
Fragment of uranium or yellow cake
amazing inhabitants of the microworld under a microscope
Complex metamorphic rock
Autumn light shines on green leaves of a tree
Marble texture abstract background in natural colors.
Bottom up wide angle view of a group of stalactites in a cave.
In southwest Colorado, well-preserved Ancestral Puebloan cliff dwellings.
Free Images: "bestof:Haeckel Amphoridea-2b.jpg Fossil Pleurocystites filitextus from below Echinodermata Homalozoa Drawn by Ernst Haeckel as Amphoridea-2a See http //caliban"
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