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A water pollution sample in the test tube close up.
Testing the quality of water in the industrial estate's drainage sources by biologists using experimental kits.
Water analysis operator wearing PPE sample and audit water from the water treatment plant, industrial and environment concept
Oyster farming in the Netherlands
Sneak peek of oysters at low tide on Creek off Chesapeake Bay.
Photomicrograph of embryonic fresh water snail moving around inside its egg shell. Shell is thin enough for light to pass through. Original wet mount (internal organs visible), 100X, transmitted light, ASA 100, 1 sec.
A biological laboratory worker took samples of river water for analysis using a test tube, close-up of a hand in a blue glove with a full test tube against the background of water
rigorous stage of pasteurization and care of breast milk donated to the milk bank
Oysters straight out of the water
environmentalist use a chemical flask to collect the  samples of toxic water for testing and check with quality of water from industrial
Close up senior man selling and opening fresh oysters wearing protective metal gloves, at fishermen seafood market, personal perspective
Scientist examing toxic water
Treatment facilities. Quality control of water that has been purified and processed. The laboratory assistant collects material for research. Liquid in a test tube. Sewage treatment. Water sample.
Hand of unrecognizable scientist is experimenting with chemicals in front of white background. Hand is holding laboratory flask with liquid in it.
Water samples were collected in industrial canals for inspection
View of pearls inside oyster shell. Pearl diver showing how to open a shell to find salt water pearls, selective focus
Inspector holding a chemical flask with river water. Water testing for infections.
Female scientists wearing Chemical protective suites and PPE collect samples of toxic water to test by mobile lab test, examining wastewater from Industrial, and environment
Cleaning and gutting of scallops in a shellfish treatment plant in Galicia
Female biologist measuring Triturus Vulgaris in labaratory, using caliper
A school experiment, with legume seeds like chickpeas and lentils, inside a wet plastic bag.
Close-up of a young research scientist wearing protective glasses using a pipette to place samples in a small beaker behind safety glass in a laboratory
Explore the delicate stages of life as a clutch of Hyalinobatrachium Valerioi eggs begins its transformation into tadpoles on a glass surface. Each transparent egg reveals the early development of tiny embryos, offering a rare and fascinating glimpse into the beginnings of life in the rainforest. Captured with intricate detail and clarity, this photograph highlights the fragile beauty and remarkable journey of these amphibians from egg to tadpole, set against the smooth, reflective surface of glass
20-24 Years, Adult, Adults Only, Biologist, workbench, pump, pipette
Focus on oysters on the beach
examination of water quality in a natural reservoir. a test tube in a man's hand with water to check its purity.
Sample water from the river for analysis. Hand in glove holding a test tube
Unrecognizable person in a military laboratory
Bacterial control of pool water. Checking the amount of algae, harmful substances and chemicals. Laboratory study of water from artificial reservoirs. Taking liquid into a test tube. Water sample.
Oregon Coastline stretches from south to north, from the borer of California to the Columbia river.
Free Images: "bestof:Experimental claire for obtaining oyster embryos in close water.jpeg check categories 26 August 2015 2 Experimental claire for obtaining oyster embryos in close"
Close view of young girl in water.jpg
Lasioglossum_boreale,_F,_Face,_NH,_Coos_County_2015-10-06-11.20.19_ZS_PMax_UDR.jpg
Lasioglossum_boreale,_F,_Side,_NH,_Coos_County_2015-10-01-11.57.20_ZS_PMax_UDR.jpg
Walruses in water close up.jpg
Horseshoe crabs close to water.jpg
Sperm whale swimming in water close up physeter catodon.jpg
Fish head close up under water.jpg
Close up a brown bear in the water.jpg
Boats are pictured on the water close to homes.jpg
White horse close up.jpg
Thrypticus fly close up.jpg
Screwworm larva close up.jpg
Eye open close up.jpg
Child boy face close up.jpg
Child young face close up.jpg
A close up picture of boat on water.jpg
Close view of aquatic plants on water surface in prairie wetland.jpg
Swamp vegetation close up.jpg
Dragonfly close up macro photo.jpg
Male medfly close up insect.jpg
Enhydra lutris sea otter close photo.jpg
Close up of head of young bull walrus marine mammal in water odobenus rosmarus.jpg
Close up rhino animals grazing.jpg
Raccoon face close up procyon lotor.jpg
Flower in front of water.jpg
Close up look from boat on river.jpg
Bald cypress tree growing close to boardwalk over duckweed covered water.jpg
brown-herbal-seitling-garlic-tuber-1622346.jpg
Enhydra lutris sea otter marine mammal close up.jpg
Marée descendante, Sainte-Marie, Ré island, august 2015.jpg
Fluorite,_Helen_Folger,_with_foil_2015-08-07-17.50.41_ZS_PMax_UDR.jpg
Ruby_2015-08-07-18.04.36_ZS_PMax_UDR.jpg
Close up of nutria or coypu myocastor coypus.jpg
copper_oxide,_Helen_Folger_2015-08-07-13.52.41_ZS_PMax_UDR.jpg
Diadasia_australis,_M,_face,_Pennington,_SD_2015-11-10-10.12.19_ZS_PMax_UDR.jpg
Diadasia_australis,_M,_side,_Pennington,_SD_2015-11-12-10.33.02_ZS_PMax_UDR.jpg
Diadasia_australis,_M,_back,_Penningtion,_SD_2015-11-12-10.13.48_ZS_PMax_UDR.jpg
Stelis_louisae,_M,_Back1,_MD,_Dorchester_County_2015-09-22-13.00.30_ZS_PMax_UDR.jpg
Rainbow_Scarab,_face1,_silver_spring,_md_2013-12-31-14.48.26_ZS_PMax_Panorama2.jpg
Stalactites_Stalagmites,_End,_VT,_Jefferson_Memorial_2015-08-07-12.12.07_ZS_PMax_UDR.jpg
Prairie dog mammal atanding on two legs cynomys ludovicianus.jpg
Gfp-florida-biscayne-national-park-lighthouse-up-close.jpg
Child foot.jpg
African lion close up.jpg
A close shot of children birdwatching.jpg
Andrena_personata,_f,_md,_eastern_neck_nwr,_side_2015-05-26-05.52.54_ZS_PMax.jpg
Andrena_personata,_f,_md,_eastern_neck_nwr,_back_2015-05-26-05.43.56_ZS_PMax.jpg
Philia Hellenic Center for Marine Research Heraklion harbour.jpg
Oyster shells, texture, Esnandes, Charente-Maritime, august 2015.jpg
Glass close up.jpg
Happy family outdoor observes a shucked oyster.jpg
Blueberry close up.jpg
Strawberries close up.jpg
Strawberry close up.jpg
Paperbark close up.jpg
Reeds plant close.jpg
Ice close up.jpg
Close up of flowers.jpg
Green grass marsh with oyster beds.jpg
Eye opened close up.jpg
Wood anemone close up.jpg
Lillies flowers close up.jpg
Corn chips close up.jpg
Feathers macro close up.jpg
Caribou close up head.jpg
Giraffe head close up.jpg
Horse close up face.jpg
Stone wall close up.jpg
Cactus plant green close up.jpg
Yellow daffodil flower close up.jpg
Daisy yellow red close up.jpg
Yellow rose macro close up.jpg
Golden wattle up close.jpg
Rocky peak close view.jpg
Canoers paddle close to shore.jpg
Motorcycle wheel close up.jpg
Golf ball close up.jpg
Mountain flower close up.jpg
Orange flower close up.jpg
Strelitzia up close and personal.jpg
Yellow close up flower.jpg
Rock texture close up.jpg
Brick in wall close up.jpg
Wood fence close up.jpg
Basketwork wicker basket close up.jpg
Cd dvd disk close up.jpg
mushrooms-mushroom-tree-trunk-295823.jpg
Young boy catches fish close up.jpg
Close view of longtail salamander.jpg
Shell mound close up detailed photo.jpg
Pink yellow rose close up wallpaper.jpg
Black feathers of bird close up.jpg
Extreme close up of a dogwood blossom.jpg
Black tailed jackrabbit close up face.jpg
Wood anemone in grass close up.jpg
Fig fruits on tree close up.jpg
Close up of green grass.jpg
Flower close up nice flower.jpg
Close view of red mangrove leaves.jpg
Man on water.jpg
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