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A single newt (Ichthyosaura alpestris) crawls over a large stone.
crystaline Barite or Barytes mineral sample- clear or translucent dense mineral collected from the UK
...an old Spanish coin, a means of payment from the Iberian Peninsula made of metal
Photomicrograph of freshwater leech. Sucker attached to cover slip at bottom. Live specimen. Wet mount, 2.5X objective, transmitted brightfield illumination. Note - motion blur of live animal, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
The normal liver cells or hepatocytes contain lipid droplets, more frequent near the central vein of hepatic lobules, that can be demonstrated using osmium tetroxide as fixative. In steatosis or fatty liver disease, the amount of lipid droplets is pathologically very increased.
rough round agate mineral sample with outer shell geode
Bivalvia Fossil inside a limestone rock. Gastropod from the jurassic period captured next to moss covering a forest floor.
Tiger and king prawns lie on a light table. Frozen products in ice glaze.
Shimmering vibrant colours and diversity of species marks Costa Rica as one of the principal Central America countries with a coastal territory and tropical rainforest that hosts migration from north America and south America to give it unparalleled numbers and variation of birdlife
Computer generated 3D illustration with a gecko isolated on white background
Pressed Puer tea ripe brick on a white background.
Honey Bee, apis mellifera, Larvae on Brood Comb, Bee Hive in Normandy
Volcanic rock details in Tenerife Canary Islands
selective focus on one chiton in stone. Surface of coastline stone. Living organism of the Red Sea
Dozens of turtles were released back into their habitat after hatching.
mudskipper on soil coastline in mangrove areas.
chinese medicine Fu Hai Shi /Hai Fu Shi /Pumice /Bryozoatum on black background
Closeup on the critically endangered  Mangshan Crocodile Newt, Tylototriton lizhenchangi on leaflitter
Tubular adenoma. Site: breast. Tubular adenoma is most commonly but not exclusively located at the upper outer quadrant of the breast and presents in young women
Boiling water bubbler Geyser. Active geyser with major eruptions. Yellowstone NP, Wyoming, USA
Crocodile fish in Everglades National Park - Florida (USA)
Coypu swimming in murky river water
Man hiking in the Julian Alps, Slovenia, Europe.
Hookworm egg human parasite in stool examination test find microscope 40x.
This is a detail of a rock that contains hundreds of marine fossils. The large one is a brachiopod. Actually most of them are different varieties of brachiopod. The circular ones with a stub in the center are crinoid stems. Found in Virginia.
Closeup on a black terrestrial critically endagered Chinese Mangshan Crocodile Newt, Tylototriton lizhengchangi sitting on a dried leaf
Acid sulphate mudpool at the Sulphur Flats in Rotorua, New Zealand.
Several frogs were eating pellets on a plate by the pond.
Crystal ball resting in wet sandy beach, black sand, reflecting clear sand and sunbeam.
Free Images: "bestof:Origin of Vertebrates Fig 151.png Fig 151 �Under Surface of Scorpion Androctonus The operculum is marked out with dots and on each side of it is seen one of the"
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