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    Close-up of willow catkins on tree branch — Stock Photo
    Close-up of willow catkins on tree branch
    Chicory stem with leaves — Stock Photo
    Chicory stem with leaves
    A summer cocktail in a stemmed glass casting a shadow — Stock Photo
    A summer cocktail in a stemmed glass casting a shadow
    Curious girl examining molecule model in classroom — Stock Photo
    Curious girl examining molecule model in classroom
    Illustration of beige stem cell on black background. — Stock Photo
    Illustration of beige stem cell on black background.
    Girl student examining DNA model in classroom — Stock Photo
    Girl student examining DNA model in classroom
    Human brain anatomy, 3D illustration. — Stock Photo
    Human brain anatomy, 3D illustration.
    Closeup view of laundry bin for lab clothes — Stock Photo
    Closeup view of laundry bin for lab clothes
    Liquid in bottles, test tubes and beakers in science laboratory classroom — Stock Photo
    Liquid in bottles, test tubes and beakers in science laboratory classroom
    Closeup of fern stem on blurred background — Stock Photo
    Closeup of fern stem on blurred background
    Female surrounded by fresh flowers growing on tree branches in garden looking away — Stock Photo
    Female surrounded by fresh flowers growing on tree branches in garden looking away
    Green and red haworthia plant with leaves and white dots in dark place — Stock Photo
    Green and red haworthia plant with leaves and white dots in dark place
    Professor discussing sensors and thermostats with students in an HVAC classroom — Stock Photo
    Professor discussing sensors and thermostats with students in an HVAC classroom
    Computer programmers programming virtual reality simulator glasses in office — Stock Photo
    Computer programmers programming virtual reality simulator glasses in office
    Fresh Grape Tomatoes — Stock Photo
    Fresh Grape Tomatoes
    Bowl of freshly picked peas — Stock Photo
    Bowl of freshly picked peas
    Portrait confident students holding molecular structures in laboratory classroom — Stock Photo
    Portrait confident students holding molecular structures in laboratory classroom
    Junior high boy students using computers in computer lab — Stock Photo
    Junior high boy students using computers in computer lab
    Human hand elegantly taking stem of ripe juicy strawberry from bowl of berries on wooden table — Stock Photo
    Human hand elegantly taking stem of ripe juicy strawberry from bowl of berries on wooden table
    Tropical jungle Monstera leaf — Stock Photo
    Tropical jungle Monstera leaf
    Portrait of a cute caucasian woman. — Stock Photo
    Portrait of a cute caucasian woman.
    High angle of indigo milk cap edible mushroom growing on ground covered with dry leaves in autumn forest — Stock Photo
    High angle of indigo milk cap edible mushroom growing on ground covered with dry leaves in autumn forest
    Western sword fern — Stock Photo
    Western sword fern
    Female florist pruning stem of flower with pruning shears in garden centre — Stock Photo
    Female florist pruning stem of flower with pruning shears in garden centre
    Portrait confident female scientist in clean suit studying coronavirus — Stock Photo
    Portrait confident female scientist in clean suit studying coronavirus
    A macro shot of green colorful parakeet feathers, bird anatomy — Stock Photo
    A macro shot of green colorful parakeet feathers, bird anatomy
    Bigleaf maple leaf (Acer macrophyllum) in autumn, in small tree branch — Stock Photo
    Bigleaf maple leaf (Acer macrophyllum) in autumn, in small tree branch
    Portrait of a Wallace's flying frog on a physalis plant, Indonesia — Stock Photo
    Portrait of a Wallace's flying frog on a physalis plant, Indonesia
    Female engineer planning, creating flow chart in office — Stock Photo
    Female engineer planning, creating flow chart in office
    Female scientist in clean suit examining test tubes — Stock Photo
    Female scientist in clean suit examining test tubes
    Texture of dry fallen orange autumn leaf with thin veins and stem against blurred gray background — Stock Photo
    Texture of dry fallen orange autumn leaf with thin veins and stem against blurred gray background
    Section through a lily stem — Stock Photo
    Section through a lily stem
    Restaurant table set for guests — Stock Photo
    Restaurant table set for guests
    Active brain visualization — Stock Photo
    Active brain visualization
    Beautiful blooming yellow wildflowers and sunset — Stock Photo
    Beautiful blooming yellow wildflowers and sunset
    Dry trees with sticking roots in mountain valley in sunny day — Stock Photo
    Dry trees with sticking roots in mountain valley in sunny day
    Thin branch of oak tree with yellow withering leaves in center of dark room — Stock Photo
    Thin branch of oak tree with yellow withering leaves in center of dark room
    Close-up of Butterfly sitting on a plant stem — Stock Photo
    Close-up of Butterfly sitting on a plant stem
    From above of tender bright green flower on body of crop anonymous tanned person in sunlight — Stock Photo
    From above of tender bright green flower on body of crop anonymous tanned person in sunlight
    Wheatgrass plants with dense network of roots — Stock Photo
    Wheatgrass plants with dense network of roots
    Illustration of transparent stem cell on blue background. — Stock Photo
    Illustration of transparent stem cell on blue background.
    Creative businesswomen using adhesive notes and flow chart, planning in office — Stock Photo
    Creative businesswomen using adhesive notes and flow chart, planning in office
    Lily stem. Light micrograph(LM) of section through part of lily (Lilium) stem. Thin outer epidermis surrounds layer of cortex. At center is pith, which contains numerous vascular bundles (yellow) — Stock Photo
    Lily stem. Light micrograph(LM) of section through part of lily (Lilium) stem. Thin outer epidermis surrounds layer of cortex. At center is pith, which contains numerous vascular bundles (yellow)
    Eyewear on open textbook against ceramic saucer with cup and dried plant on table in house — Stock Photo
    Eyewear on open textbook against ceramic saucer with cup and dried plant on table in house
    From above of fresh raw leeks with green stems placed on black surface — Stock Photo
    From above of fresh raw leeks with green stems placed on black surface
    Unripe and ripe cherry tomatoes growing on twig of plant in agricultural farm in rural area — Stock Photo
    Unripe and ripe cherry tomatoes growing on twig of plant in agricultural farm in rural area
    Smiling female science teacher leading lesson at projection screen in classroom — Stock Photo
    Smiling female science teacher leading lesson at projection screen in classroom
    Ivy stem climbing up tree trunk at autumn forest — Stock Photo
    Ivy stem climbing up tree trunk at autumn forest
    Broccoli on wooden table — Stock Photo
    Broccoli on wooden table
    Female scientist in clean suit with test tubes studying coronavirus — Stock Photo
    Female scientist in clean suit with test tubes studying coronavirus
    Tropical jungle Monstera leaf — Stock Photo
    Tropical jungle Monstera leaf
    Male teacher helping students assembling robotics in classroom — Stock Photo
    Male teacher helping students assembling robotics in classroom
    Picturesque view of big meadow with red blooms and sunshine in sky — Stock Photo
    Picturesque view of big meadow with red blooms and sunshine in sky
    Male teacher and girl students conducting scientific experiment at microscope and laptop in laboratory classroom — Stock Photo
    Male teacher and girl students conducting scientific experiment at microscope and laptop in laboratory classroom
    Young Asian woman cutting rose stem with secateurs — Stock Photo
    Young Asian woman cutting rose stem with secateurs
    Human embryonic stem cells in Petri dish, digital illustration. — Stock Photo
    Human embryonic stem cells in Petri dish, digital illustration.
    Eucalyptus branches with gift tags, string and scissors — Stock Photo
    Eucalyptus branches with gift tags, string and scissors
    Close up of Pouring red wine into the one of the glasses — Stock Photo
    Close up of Pouring red wine into the one of the glasses
    Beautiful freshly cut long twigs with green leaves and purple flowers standing in glass jar with water on round wooden table in old shabby room with mirrors — Stock Photo
    Beautiful freshly cut long twigs with green leaves and purple flowers standing in glass jar with water on round wooden table in old shabby room with mirrors
    Purple lily flower — Stock Photo
    Purple lily flower