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    Dumpy tree frog on a plant, Indonesia — Stock Photo
    Dumpy tree frog on a plant, Indonesia
    Stem cell cultures on weighed in laboratory. — Stock Photo
    Stem cell cultures on weighed in laboratory.
    Land snail covered by white frost on dry stem. — Stock Photo
    Land snail covered by white frost on dry stem.
    Person strolling on dry meadow against misty trees in nature in winter day — Stock Photo
    Person strolling on dry meadow against misty trees in nature in winter day
    Various pot plants on wooden table — Stock Photo
    Various pot plants on wooden table
    Adult female traveler with lush green plant leaf looking at camera during trip in woods — Stock Photo
    Adult female traveler with lush green plant leaf looking at camera during trip in woods
    Young pine tree stem — Stock Photo
    Young pine tree stem
    Pink Cadillac Cocktail — Stock Photo
    Pink Cadillac Cocktail
    Pink cherry blossom, scissors, paper and string — Stock Photo
    Pink cherry blossom, scissors, paper and string
    Different types of red and purple cabbage on a white background, healthy food, top view — Stock Photo
    Different types of red and purple cabbage on a white background, healthy food, top view
    Top view of raw cut Boletus edulis mushrooms on rustic wooden chopping board during cooking process — Stock Photo
    Top view of raw cut Boletus edulis mushrooms on rustic wooden chopping board during cooking process
    A hand holding red-stemmed chard — Stock Photo
    A hand holding red-stemmed chard
    Glass of sweet alcoholic cocktail made of espresso liqueur milk and chocolate placed on wooden table — Stock Photo
    Glass of sweet alcoholic cocktail made of espresso liqueur milk and chocolate placed on wooden table
    Female science teacher and girl student writing at whiteboard in classroom — Stock Photo
    Female science teacher and girl student writing at whiteboard in classroom
    Junior high girl student using computer in computer lab — Stock Photo
    Junior high girl student using computer in computer lab
    Female biologist holding flask containing stem cells. — Stock Photo
    Female biologist holding flask containing stem cells.
    Branches in a vase with a candle on a sideboard table — Stock Photo
    Branches in a vase with a candle on a sideboard table
    Eucalyptus branches with gift tags, string and scissors — Stock Photo
    Eucalyptus branches with gift tags, string and scissors
    Top view of various types of succulent plants placed in pots on wooden table in light place — Stock Photo
    Top view of various types of succulent plants placed in pots on wooden table in light place
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes — Stock Photo
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes
    Portrait male science teacher teaching DNA lesson at projection screen — Stock Photo
    Portrait male science teacher teaching DNA lesson at projection screen
    Medical illustration of the human nervous system and brain — Stock Photo
    Medical illustration of the human nervous system and brain
    Small spider reaching a leg toward dew covered spiderweb — Stock Photo
    Small spider reaching a leg toward dew covered spiderweb
    Close up of flowers in garden centre — Stock Photo
    Close up of flowers in garden centre
    Pieces of Aloe Vera and refreshing drink served in glass jug on the table. — Stock Photo
    Pieces of Aloe Vera and refreshing drink served in glass jug on the table.
    Lime Martini in Fun Stem Glass — Stock Photo
    Lime Martini in Fun Stem Glass
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom — Stock Photo
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom
    Human brain anatomy — Stock Photo
    Human brain anatomy
    Blonde Girl at Kitchen Table Does School Work on Tablet Computer — Stock Photo
    Blonde Girl at Kitchen Table Does School Work on Tablet Computer
    Student in wheelchair studying natural gas fuel line on furnace in HVAC classroom — Stock Photo
    Student in wheelchair studying natural gas fuel line on furnace in HVAC classroom
    Smiling male teacher and students programming robotics at laptop in classroom — Stock Photo
    Smiling male teacher and students programming robotics at laptop in classroom
    Girl students using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students using microscope, conducting scientific experiment in laboratory classroom
    Girl students conducting scientific experiment, examining liquid in beaker in laboratory classroom — Stock Photo
    Girl students conducting scientific experiment, examining liquid in beaker in laboratory classroom
    Cropped image of woman studying pot with beautiful red chrysanthemum flowers in greenhouse — Stock Photo
    Cropped image of woman studying pot with beautiful red chrysanthemum flowers in greenhouse
    Close up of boy looking through a microscope at a bug — Stock Photo
    Close up of boy looking through a microscope at a bug
    Red winterberry branches on a tray with ribbon and scissors — Stock Photo
    Red winterberry branches on a tray with ribbon and scissors
    Focused boy student in goggles soldering circuit board in classroom — Stock Photo
    Focused boy student in goggles soldering circuit board in classroom
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown) — Stock Photo
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown)
    Little boy examining bug under microscope — Stock Photo
    Little boy examining bug under microscope
    Chicory stem with leaves — Stock Photo
    Chicory stem with leaves
    Students talking at table in library — Stock Photo
    Students talking at table in library
    Windswept sea grass — Stock Photo
    Windswept sea grass
    Vase and place settings on sunny patio table — Stock Photo
    Vase and place settings on sunny patio table
    Beautiful blooming yellow wildflowers and sunset — Stock Photo
    Beautiful blooming yellow wildflowers and sunset
    Crop person holding huge green leaf of fern against empty asphalt road among blurred dense forest with bare trees during daytime — Stock Photo
    Crop person holding huge green leaf of fern against empty asphalt road among blurred dense forest with bare trees during daytime
    Closeup view of beautiful chameleon crawling on tree trunk in wildlife — Stock Photo
    Closeup view of beautiful chameleon crawling on tree trunk in wildlife
    Butterfly and snail on a flower, Indonesia — Stock Photo
    Butterfly and snail on a flower, Indonesia
    Brothers standing proud with their homemade volcanos — Stock Photo
    Brothers standing proud with their homemade volcanos
    Female scientist holding multi-well plate with growth medium. — Stock Photo
    Female scientist holding multi-well plate with growth medium.
    Fresh Grape Tomatoes — Stock Photo
    Fresh Grape Tomatoes
    Fresh chard (seen from above) — Stock Photo
    Fresh chard (seen from above)
    Curious girl examining molecule model in classroom — Stock Photo
    Curious girl examining molecule model in classroom
    A bunch of green chard on background. Vegan organic diet concept — Stock Photo
    A bunch of green chard on background. Vegan organic diet concept
    Close-up of a pumpkin and a yellow blossom on the plant ; Erickson, Manitoba, Canada — Stock Photo
    Close-up of a pumpkin and a yellow blossom on the plant ; Erickson, Manitoba, Canada
    Close-up of Geometrid moth caterpillar mimicking branch on wild plant stem. — Stock Photo
    Close-up of Geometrid moth caterpillar mimicking branch on wild plant stem.
    Western sword fern — Stock Photo
    Western sword fern
    Overhead view of bright fresh tangerines with green foliage in rectangular shaped container on wooden table — Stock Photo
    Overhead view of bright fresh tangerines with green foliage in rectangular shaped container on wooden table
    Focused boy student assembling electronics in classroom — Stock Photo
    Focused boy student assembling electronics in classroom
    Lime tree stem — Stock Photo
    Lime tree stem
    Closeup view of floating candles in a stem glass — Stock Photo
    Closeup view of floating candles in a stem glass