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Frozen Puddle in the Meadow, Canada
rough round agate mineral sample with outer shell geode
Other types of mushrooms have pores instead of gills. Like gills, pores produce spores, but they appear as small, sponge-like holes instead of thin blades. The little holes lead to tubes inside the cap. As spores mature, they eventually fall from the tubes out of holes and into their environment.
bunch of natural sponges
Coral in Molasses Reef
...an old Spanish coin, a means of payment from the Iberian Peninsula made of metal
Bivalvia Fossil inside a limestone rock on moss floor. Gastropods from the jurassic period captured during autumn season.
Closeup of a flexicalymene ouzregui trilobite fossil in sand. The fossil is from the ordovician era and about 450 million years old.
Concretion formations in a rock in the Grand Staircase-Escalante National Monument in southern Utah during the fall. Concretions are precipitated mineral deposits that form in the spaces of sedimentary rock.
Clear water of Lake Dukka Rybka on the Malaya Dukka River on the slopes of the Arkasar ridge in the North Caucasus on a sunny summer day, Arkhyz, Karachay-Cherkessia, Russia
Small spring frog tries to hid between the glass top and leg of a table.
scenic coast landscape at Zumaia Flysch trail in the basque country, Spain
Calama, Chile
internal tissue of a sea creature's shell. pores. macro photo.
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.
Stones texture nature background photo, High Resolution for 3D.
Mica, silicate phyllosilicate.
The old zinc for the wall is rusty and dirty local steel surfaces isolated on white background with clipping path.
Ammonite in limestone rock (Bavaria, Germany)
Exotic pictures of river seaweed as natural backgrounds for graphic projects.
Dried and cracked ground in the desert,Serbia,Nikon D850
Boiling water bubbler Geyser. Active geyser with major eruptions. Yellowstone NP, Wyoming, USA
Interesting pattern in hot springs. Looks like a tree to me
Defocused old metal iron rust background and texture, orange and black color rust steel background
Cross section of rock backgrounds
Underwater landscape, the Cost of the Mediterranean Sea. Sunny summer day, pebble background. Blue marine colour water
Barnacles on rock
Aquatic plants. Freshwater algae background. Photographer's shadow. Ecological concept. Blur under water.
Mammoth Hot Springs feature in Yellowstone National Park
Free Images: "bestof:Walcott Cambrian Geology and Paleontology II plate 34.jpg Plate 34 Middle Cambrian Crustaceans Hurdia Odaraia and Anomalocaris 1 Hurdia triangulata"
Pieter_Brueghel_the_Elder_-_The_Dutch_Proverbs_-_Google_Art_Project.jpg
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Hartmann_et_Fils_Manufactory_-_Six_Scenes_from_the_Life_of_Jeanne_d'Arc_-_Google_Art_Project.jpg
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The_Tribuna_of_the_Uffizi_(1772-78);_Zoffany,_Johann.jpg
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