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    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba. — Stock Photo
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba.
    Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells.
    Obelia hydrozoan medusa. Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid. — Stock Photo
    Obelia hydrozoan medusa. Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid.
    Waning Moon on black — Stock Photo
    Waning Moon on black
    Close up of Sugar on a Teaspoon — Stock Photo
    Close up of Sugar on a Teaspoon
    Cryptococcus gattii fungus, computer illustration. — Stock Photo
    Cryptococcus gattii fungus, computer illustration.
    Differential interference contrast light micrograph of different species of fossil unicellular radiolarians (protozoa). — Stock Photo
    Differential interference contrast light micrograph of different species of fossil unicellular radiolarians (protozoa).
    Kiwi fruit (Actinidia deliciosa) pollen grain, coloured scanning electron micrograph (SEM). — Stock Photo
    Kiwi fruit (Actinidia deliciosa) pollen grain, coloured scanning electron micrograph (SEM).
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba. — Stock Photo
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba.
    Full Moon on black — Stock Photo
    Full Moon on black
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Deep-fried dim sum — Stock Photo
    Deep-fried dim sum
    NGC3190 spiral galaxy in constellation Leo — Stock Photo
    NGC3190 spiral galaxy in constellation Leo
    Human eye with muscles and circulatory system — Stock Photo
    Human eye with muscles and circulatory system
    Scanning electron micrograph (SEM) of a copepod (subclass Copepoda). — Stock Photo
    Scanning electron micrograph (SEM) of a copepod (subclass Copepoda).
    Microscopic view of pancreatic cancer cell — Stock Photo
    Microscopic view of pancreatic cancer cell
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.
    Orange Calla Lily — Stock Photo
    Orange Calla Lily
    Small colorful Seashell — Stock Photo
    Small colorful Seashell
    Bone structure of human hand with veins — Stock Photo
    Bone structure of human hand with veins
    Conceptual image of female breast anatomy — Stock Photo
    Conceptual image of female breast anatomy
    Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid. — Stock Photo
    Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid.
    Coloured X-rays of the right foot, showing a metal plate and screws (white) in the foot bone beneath the little toe (upper right). — Stock Photo
    Coloured X-rays of the right foot, showing a metal plate and screws (white) in the foot bone beneath the little toe (upper right).
    NGC1232 spiral galaxy in Eridanus constellation — Stock Photo
    NGC1232 spiral galaxy in Eridanus constellation
    Woman eating dim sum — Stock Photo
    Woman eating dim sum
    Honey bee in flight — Stock Photo
    Honey bee in flight
    Balamuthia mandrillaris amoeba, computer illustration. — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration.
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Balamuthia mandrillaris amoeba, computer illustration. — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration.
    Cappuccino with milk foam and spoon — Stock Photo
    Cappuccino with milk foam and spoon
    Small colorful Seashell — Stock Photo
    Small colorful Seashell
    Upset girl with blue hair at urban scene — Stock Photo
    Upset girl with blue hair at urban scene
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Conceptual image of a neuron on black background — Stock Photo
    Conceptual image of a neuron on black background
    Tea in a glass cup — Stock Photo
    Tea in a glass cup
    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.
    Small colorful Seashell — Stock Photo
    Small colorful Seashell
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    Gas Giant with comet impacts — Stock Photo
    Gas Giant with comet impacts
    Dry Ceylon tea — Stock Photo
    Dry Ceylon tea
    Wreath hanging on door — Stock Photo
    Wreath hanging on door
    Portrait of young girl looking posing at camera and lookng away — Stock Photo
    Portrait of young girl looking posing at camera and lookng away
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Glass of green tea — Stock Photo
    Glass of green tea
    Kiwi fruit (Actinidia deliciosa) pollen grain, coloured scanning electron micrograph (SEM). — Stock Photo
    Kiwi fruit (Actinidia deliciosa) pollen grain, coloured scanning electron micrograph (SEM).
    Dolphin's dorsal fin appearing above water — Stock Photo
    Dolphin's dorsal fin appearing above water
    Chocolate Cappuccino with Foam — Stock Photo
    Chocolate Cappuccino with Foam
    Balamuthia mandrillaris amoeba, computer illustration. — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration.
    Cryptococcus gattii fungus, computer illustration. — Stock Photo
    Cryptococcus gattii fungus, computer illustration.
    Small colorful Seashell — Stock Photo
    Small colorful Seashell
    Small colorful Seashell — Stock Photo
    Small colorful Seashell
    Close Up Of Basketball texture background — Stock Photo
    Close Up Of Basketball texture background
    Portrait of blue haired girl walking with half raised arms and looking down at urban scene — Stock Photo
    Portrait of blue haired girl walking with half raised arms and looking down at urban scene
    Dog hair, coloured scanning electron micrograph (SEM).In dogs several hairs emerge from a single follicle. — Stock Photo
    Dog hair, coloured scanning electron micrograph (SEM).In dogs several hairs emerge from a single follicle.
    Small colorful Seashell — Stock Photo
    Small colorful Seashell
    Yellow Tree In Green Forest — Stock Photo
    Yellow Tree In Green Forest
    Half of a Yellow Onion — Stock Photo
    Half of a Yellow Onion
    Close up of Slice of onion — Stock Photo
    Close up of Slice of onion
    Parts of the sun with labels — Stock Photo
    Parts of the sun with labels