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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
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).
Abstract red and green spotted virus pattern background
Mitosis onion root tip cells under microscope
Bivalve mollusk with orange valves Smooth Scallop (Flexopecten glaber ponticus), Black Sea
Shell series: sea shells in various colors
Close up Plant epidermis with stomata or Leaf Epidermis (Stomata) under microscope.
4 Park Road, Longhua District, Shenzhen, China
Snail cleaning dirty aquarium glass, selective focus
Microorganism or virus cells, algae microorganism cells under microscope. Rapid multiplication of bacteria. Infection and germ. Microbiology, popular scientific black background
Giant Clam on the bottom in the filipino sea December 16, 2010
Top view Wastewater treatment Oxygen filling by Paddle Wheel Aerator, Sewage treatment
Green grass natural background with sneil. Top view
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.
igloo made of oyster shells (1200 kilos of shells) seen in Marennes-oleron
Shell series: starfish and sea shells in various colors
Egg clutch of glass frogs on glass
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.
Close up of snail in aquarium
Looking through a window underwater where limpets and saline have grown over window.
Scenedesmus is a genus of green algae, in the class Chlorophyceae.
Crystal material texture, background, suitable for design.
Micro or Nano Bubbles as New Drug Delivery Tool in the white background 3d rendering
Antique yellow gloster pattern paper marbling full frame.
focus to cell wall, chloroplast, pyrenoid with DIC differential interference contrast, culture material
Mossy planet on black background. Digitally generated image.
Free Images: "bestof:Naturalis Biodiversity Center - ZMA.MOLL.364206 - Pseudodaphnella granicostata (Reeve, 1846) - Raphitomidae - Mollusc shell.jpeg artwork Dimensions artwork"
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