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Sea urchin shells of various colours
Egg case of Brownbanded Bamboo Shark with embryo inside (Chiloscyllium punctatum)
Egg clutch of glass frogs
cypraecassis rufa
3D geodesic dome, entry airlocks and a mountainous horizon for Mars outpost colony illustrations or space exploration backgrounds, with the outline clipping path included in the file.
Abstract red and green spotted virus pattern background
Bone marrow, stem cells of human bone marrow stem cells. These cells are known as multipotential stem cells because they form the precursors to every type of blood cell. During blood cell development the multipotential stem cell develops by a process known as haemopoiesis into either red blood cells  or one of three types of white blood cell (granulocytes, lymphocytes or monocytes).
Bivalve mollusk with orange valves Smooth Scallop (Flexopecten glaber ponticus), Black Sea
Shell series: sea shells in various colors
Mitosis onion root tip cells under microscope
Top view Wastewater treatment Oxygen filling by Paddle Wheel Aerator, Sewage treatment
Close up Plant epidermis with stomata or Leaf Epidermis (Stomata) under microscope.
Close-up shooting of a green agate stone mineral surface isolated on white background. Its a macro shot shows nature beautiful details with back lit. Agate is a kind of natural gemstone. Abstract pattern. Good for Wallpaper texture background. Turquoise, green\n\n.
Egg clutch of glass frogs on glass
Mossy planet on black background. Digitally generated image.
Naturally occurring Laevapex nipponica (kawakozara-gai)
Shell series: starfish and sea shells in various colors
Artistic 3d rendering of a car symbol, creatively depicted with white mushroom caps, surrounded by moss and ferns, symbolizing eco-friendly transport.
An abstract image of a cell shape connected to other cells in a network. The structure is made of multi-coloured spheres connected to multi-coloured rods in an organic way, against a pastel coloured background.  With shallow depth of field with focus on the foreground cell.
Microorganism or virus cells, algae microorganism cells under microscope. Rapid multiplication of bacteria. Infection and germ. Microbiology, popular scientific black background
Embryonic Stem Cells (ES cells) under microscope.
Close up of snail in aquarium
Snail cleaning dirty aquarium glass, selective focus
Snails eating moss on aquatic plants
Crystal material texture, background, suitable for design.
Giant Clam on the bottom in the filipino sea December 16, 2010
Antique yellow gloster pattern paper marbling full frame.
Green grass natural background with sneil. Top view
Nouméa, Grande Terre, New Caledonia: city hall Gallieni building, with the French flag ('Annexe Gallieni', after General Joseph Simon Gallieni, a French a military commander and administrator in the French colonies). Nouméa is the capital of the French overseas territory of New Caledonia, it is renowned for its blend of French and native Kanak cultures, its stunning beaches, and its vibrant atmosphere. General Gallieni Street.
Free Images: "bestof:Naturalis Biodiversity Center - ZMA.MOLL.364206 1 - Pseudodaphnella granicostata (Reeve, 1846) - Raphitomidae - Mollusc shell.jpeg artwork Dimensions artwork"
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