Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Microscopic photography. Young Root of plant, transversal section.
plant Pine Young Staminate Cone L.S. under light mircoscope with white background
Cotton plant root, under the light microscope. Longitudinal section through the root of Gossypium hirsutum, upland or also Mexican cotton. Light micrograph at 20X magnification. Isolated, over white.
Colorful seamless pattern with Crystal stones.
Photomicrograph of Volvox globator, a green algae in various stages of development. Dark green spots are daughter colonies forming inside of parent colony. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
Algae under microscopic view, diatoms, green algae, Antarctic minke whales, Cocconeis, pattern background
plant stem (dahlia stem) cross section under the microscope showing epidermis, bascular bundles (phloem and xylem) cortex and pith - optical microscope x100 magnification
Leaf pattern on a stone wall
Backgrounds of Characteristics Tissue Tongue, Small intestine of Cat and Tissue of Esophagus rabbit under microscope.
plant rape flower cross section under light mircoscope with white background
microscopic cross section cut
Fossil Fern inside a peace of slate. The fossil is more than 100 mio Years old.
Genuine patent leather with embossed scales reptiles close-up, bordeo color pattern of texture, for background, copy space
Magnified close up of shale with multiple trilobite fossils.
Bhutanitis lidderdalii, the Bhutan glory
Curly marble stone with fashion veins.
Ascaris under the microscope, background.
Fossilised Fish
Striatella unipunctata algae under microscopic view, phytoplankton, fossils, silica, golden yellow algae
Micro world
Aquatic animal fossil, Mesolimulus Walchi or Horseshoe Crab Fossil impint in stone isolated on a white background
Photomicrograph of hemp fibers, Cannabis sativa. Hemp produces bast fibers which grow in bundles which are broken apart to produce fiber. Cell walls are visible in some of the fibers. Wet mount, 10X objective, transmitted brightfield illumination. Note - very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
The skin of the grey northern Scandinavian deer after dressing
Butterfly on a plant outdoors, Florida, USA
Shrimp motif relief for the background and wallpaper
Fossilised Fish
Cyanobacteria, also known as Cyanophyta on water surface.  Can produce neurotoxins a other toxins.   Algal blooms, which can become a danger to humans and animals.
Incomplete close up of an asaphiscus Wheeleri trilobite fossil in gray shale.
Light photomicrograph of Mulberry seen through microscope
Primitive fish fossil
Free Images: "bestof:Naturalis Biodiversity Center - RMNH.MAM.16339.b lab - Hipposideros ruber - skin.jpeg artwork Dimensions artwork Document type Hipposideros Individual count 1"
Terms of Use   Search of the Day