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    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans. — Stock Photo
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans.
    White-spotted red nudibranch — Stock Photo
    White-spotted red nudibranch
    Close-up of black leaf beetle on piece of lichen-covered branch. — Stock Photo
    Close-up of black leaf beetle on piece of lichen-covered branch.
    Vibrant soft coral colonies on reef in Lembeh Strait, Indonesia — Stock Photo
    Vibrant soft coral colonies on reef in Lembeh Strait, Indonesia
    Female crab spider guarding nest outdoors. — Stock Photo
    Female crab spider guarding nest outdoors.
    Fly head anatomy — Stock Photo
    Fly head anatomy
    Close-up of exotic moth perched on branch in tropical forest. — Stock Photo
    Close-up of exotic moth perched on branch in tropical forest.
    Echinococcus granulosus hydatid cyst, computer illustration — Stock Photo
    Echinococcus granulosus hydatid cyst, computer illustration
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans. — Stock Photo
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans.
    Macrophotograph of a portion of the aft wing of the 'Giant Red Winged Hopper' showing its repetitive patterns; a grasshopper (Tropidacris dux) from Peru — Stock Photo
    Macrophotograph of a portion of the aft wing of the 'Giant Red Winged Hopper' showing its repetitive patterns; a grasshopper (Tropidacris dux) from Peru
    German cockroach head with antennas, detailed close-up. — Stock Photo
    German cockroach head with antennas, detailed close-up.
    Octopus at produce market on background, close up — Stock Photo
    Octopus at produce market on background, close up
    Yellow and brown headshield slug — Stock Photo
    Yellow and brown headshield slug
    Blister beetle eating on a milkweed plant in a garden — Stock Photo
    Blister beetle eating on a milkweed plant in a garden
    Chromodoris kuniei nudibranch in Beqa Lagoon — Stock Photo
    Chromodoris kuniei nudibranch in Beqa Lagoon
    Close-up of hover fly perched on plant branch. — Stock Photo
    Close-up of hover fly perched on plant branch.
    Soft coral crab closeup shot — Stock Photo
    Soft coral crab closeup shot
    Bees working on a honeycombe — Stock Photo
    Bees working on a honeycombe
    Crinoid sea lily fossil in gray rock surface. — Stock Photo
    Crinoid sea lily fossil in gray rock surface.
    Yellow small coral and fish underwater — Stock Photo
    Yellow small coral and fish underwater
    Bluish white transluscent jellyfish — Stock Photo
    Bluish white transluscent jellyfish
    Cabbage and other corals — Stock Photo
    Cabbage and other corals
    Echinococcosis multilocularis hydatid cyst, computer illustration — Stock Photo
    Echinococcosis multilocularis hydatid cyst, computer illustration
    Portrait of happy family on vacations on sandy beach — Stock Photo
    Portrait of happy family on vacations on sandy beach
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Beekeeper during work — Stock Photo
    Beekeeper during work
    Front view of a Tufted Spiny Lobster (Panulirus penicillatus) showing its tufted legs that was photographed while scuba diving the Kona Coast; Island of Hawaii, Hawaii, United States of America — Stock Photo
    Front view of a Tufted Spiny Lobster (Panulirus penicillatus) showing its tufted legs that was photographed while scuba diving the Kona Coast; Island of Hawaii, Hawaii, United States of America
    Digital illustration of female lyme disease tick — Stock Photo
    Digital illustration of female lyme disease tick
    Illustration of ascariasis worm on black background. — Stock Photo
    Illustration of ascariasis worm on black background.
    Coconut octopus on sandy seafloor — Stock Photo
    Coconut octopus on sandy seafloor
    Giardia lamblia single-celled protozoan parasite in human duodenum, digital artwork. — Stock Photo
    Giardia lamblia single-celled protozoan parasite in human duodenum, digital artwork.
    Colorful leaf roller weevil sitting on plant. — Stock Photo
    Colorful leaf roller weevil sitting on plant.
    Cat flea. Coloured scanning electron micrograph (SEM) of a cat flea (Ctenocephalides felis). Its body is laterally-flattened to allow it to move easily through the fur of its cat host — Stock Photo
    Cat flea. Coloured scanning electron micrograph (SEM) of a cat flea (Ctenocephalides felis). Its body is laterally-flattened to allow it to move easily through the fur of its cat host
    House dust mite — Stock Photo
    House dust mite
    Commensal shrimp on brown anemone — Stock Photo
    Commensal shrimp on brown anemone
    Blow fly (Calliphoridae) on a yellow lichen-covered branch. — Stock Photo
    Blow fly (Calliphoridae) on a yellow lichen-covered branch.
    Sea anemone with pink anemonefish — Stock Photo
    Sea anemone with pink anemonefish
    Digital illustration showing close-up of ciliate protozoan Balantidium coli intestinal parasite causing balantidiasis ulcer in human intestinal tract. — Stock Photo
    Digital illustration showing close-up of ciliate protozoan Balantidium coli intestinal parasite causing balantidiasis ulcer in human intestinal tract.
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Popcorn shrimp on anemone — Stock Photo
    Popcorn shrimp on anemone
    Adult dust mite — Stock Photo
    Adult dust mite
    Close-up of small copper butterfly covered by dew drops on wild plant. — Stock Photo
    Close-up of small copper butterfly covered by dew drops on wild plant.
    Close-up of tachinid fly perched on wild plant. — Stock Photo
    Close-up of tachinid fly perched on wild plant.
    Seven spot ladybird sitting on wild plant. — Stock Photo
    Seven spot ladybird sitting on wild plant.
    Digital illustration of parasitic hookworm Ancylostoma duodenale in small intestine. — Stock Photo
    Digital illustration of parasitic hookworm Ancylostoma duodenale in small intestine.
    Discodoris sp. sea slug nudibranch — Stock Photo
    Discodoris sp. sea slug nudibranch
    Sweat bee in detailed portrait shot. — Stock Photo
    Sweat bee in detailed portrait shot.
    False clownfish swimming near anemone — Stock Photo
    False clownfish swimming near anemone
    Diverse array of reef-building corals — Stock Photo
    Diverse array of reef-building corals
    Parasitic nematode worm — Stock Photo
    Parasitic nematode worm
    Wonderpus octopus on sandy bottom — Stock Photo
    Wonderpus octopus on sandy bottom
    Coconut octopus carrying clam shell — Stock Photo
    Coconut octopus carrying clam shell
    Spanish fly sitting on green fresh wild plant. — Stock Photo
    Spanish fly sitting on green fresh wild plant.
    Mimic octopus parachuting down — Stock Photo
    Mimic octopus parachuting down
    Traditional fresh fish market — Stock Photo
    Traditional fresh fish market
    Close-up of colourful female tachinid fly on wild plant. — Stock Photo
    Close-up of colourful female tachinid fly on wild plant.
    Emperor shrimp on white soft coral — Stock Photo
    Emperor shrimp on white soft coral
    Caterpillar cocoon attached to thin plant stem. — Stock Photo
    Caterpillar cocoon attached to thin plant stem.
    Colorful soft corals growing on reef — Stock Photo
    Colorful soft corals growing on reef
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species — Stock Photo
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species