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Chaetoceros is the largest genus of marine planktonic diatoms, phytoplankton
Doctor drawing up Covid-19 vaccine from glass phial bottle and filling syringe injection for vaccination. Close up of hand wearing protective disposable gloves in lab and holding a bottle of vaccination drugs. Hand with blue surgical gloves taking sars-coV-2 vaccine dose from vial with syringe: prevention and immunization concept.
purple flowers on black background
Trematode parasite under a microscope
Unedited photo of flowers in the garden
Photomicrograph of filamentous blue-green algae, Oscillatoria species. Each band along the stand is one cell. This filament is very short probably having recently parted from a longer one. Filaments are typically many times longer. This algae is mobile, it moves and twists through the water. San Francisco Bay, California, USA. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination. Note - motion blur of live specimen, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
Blooming Rapeseed flowers isolated on black background. Flowering bright yellow Canola.
A concept photo showing a glass bottle of the COVID-19 vaccine and a syringe on the table.
Scientist in clean room laboratory
Beautiful Blooming flowers of Geranium Cambridge on a black background. Flower head close-up.
Bog Sage
Scenic view capturing the expansive landscape between Granada and Cordoba along the Camino Mozarabe. The image showcases a vast expanse of rolling hills adorned with endless rows of olive trees. The terraced hillsides form a picturesque pattern of olive groves stretching to the horizon, symbolizing the region's rich agricultural heritage. This agricultural scenery characterizes the Andalusian countryside, offering a glimpse of the region's prominent olive oil production. The undulating terrain and the continuous olive plantations highlight the agricultural beauty along this historic route, providing travelers with a quintessential view of rural Spain.
Covid-19 Corona Virus Test Tubes Stored In a Rack With Positive and Negative Results
Liver Fluke Section under light microscope with white background
Egg of intestinal fluke in human stool, analyze by microscope, original magnification 400x
Untouched nature. When a small piece of cultivated land is left alone for a year during the summer, a remarkable transformation takes place. wildflowers begins to emerge, painting the landscape with vibrant hues. Native plants reclaim their territory and bring biodiversity back to the area. Buried seeds from seasons past awaken, shooting up.
Coronavirus Home Test (COVID-19)
Blue flowers of  gentian sage on black background
The fir leaves are still young and wet from the rain
Close-up of medical samples on desk. Test tubes are with labels. It is in laboratory.
Close up of purple flowering plant against green background
Haematocysts of single-celled green algae,
Beautiful Blooming flowers of Geranium Cambridge on a black background. Flower head close-up.
Yellow Flower
Yellow Primula veris cowslip, common cowslip, cowslip primrose on soft green background.Selective focus.
Indian Paintbrush at Milgara Ridge  Golden Gate National Recreation Area  on a foggy spring day.
Leiden leaf c.s. under microscope
Cyanotis arachnoidea, Masai Mara National Reserve, Kenya
Algaes under microscopic view
Plant with tiny yellow flowers.
Free Images: "bestof:20140920Digitaria sanguinalis.jpg Blutrote Fingerhirse Digitaria sanguinalis und Rote Borstenhirse Setaria pumila bei Reilingen own AnRo0002 2014-09-20 Cc-zero"
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