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Photosynthetic Collection

Photosynthetic organisms, such as diatoms, are fascinating microscopic creatures that play a crucial role in our ecosystem

Background imagePhotosynthetic Collection: Diatom, SEM

Diatom, SEM
Diatom. Coloured scanning electron micrograph (SEM) of the Arachnoidiscus sp. diatom. The diatoms are a group of photosynthetic, single- celled algae containing about 10, 000 species

Background imagePhotosynthetic Collection: Diatom, SEM

Diatom, SEM
Diatom. Coloured scanning electron micrograph (SEM) of a Stephanopyxis sp. diatom. Diatoms are single-celled photosynthetic algae, of which there are about 100, 000 species

Background imagePhotosynthetic Collection: Diatom, SEM

Diatom, SEM
Diatom. Coloured scanning electron micrograph (SEM) of a Triceratium morlandii diatom. Diatoms are single-celled photosynthetic algae, of which there are about 100, 000 species

Background imagePhotosynthetic Collection: Chloroplast structure, artwork

Chloroplast structure, artwork
Chloroplast structure. Artwork showing the internal structure of chloroplasts, the organelles in plant cells responsible for photosynthesis

Background imagePhotosynthetic Collection: Diatom cell wall, SEM

Diatom cell wall, SEM
Diatom cell wall. Coloured scanning electron micrograph (SEM) of the pattern of small holes, called striae, in the cell wall of a diatom alga. This is a Coscinodiscus sp. diatom

Background imagePhotosynthetic Collection: Diatoms, SEM

Diatoms, SEM
Diatoms. Coloured scanning electron micrograph (SEM) of diatoms (Campylodiscus sp.). These microscopic, single-celled algae possess rigid and finely-sculpted cell walls known as frustules

Background imagePhotosynthetic Collection: The trillium is a perennial flowering plant native to temperate regions of North America and Asia

The trillium is a perennial flowering plant native to temperate regions of North America and Asia

Background imagePhotosynthetic Collection: Chloroplast, SEM

Chloroplast, SEM
Chloroplast. Coloured scanning electron micrograph (SEM) of a section through a plant cell, showing a fractured chloroplast (green)

Background imagePhotosynthetic Collection: Euglena gracilis, SEM

Euglena gracilis, SEM
Euglena gracilis protists. Coloured scanning electron micrograph (SEM) of Euglena gracilis protists. These organisms possess a unique combination of plant and animal characters. Like the algae, E

Background imagePhotosynthetic Collection: Euglena gracilis

Euglena gracilis protists. Light micrograph of a group of Euglena gracilis protists. These organisms possess a unique combination of plant and animal characters. Like the algae, E

Background imagePhotosynthetic Collection: Paramecium bursaria protozoan, micrograph

Paramecium bursaria protozoan, micrograph
Paramecium bursaria protozoan, light micrograph. This ciliate protozoan inhabits freshwater, where it feeds mainly on bacteria

Background imagePhotosynthetic Collection: Photosynthesis, illustration

Photosynthesis, illustration. Photosynthesis is the process by which most plants (and some other living organisms) convert energy from sunlight into chemical energy

Background imagePhotosynthetic Collection: Paramecium protozoa, light micrograph

Paramecium protozoa, light micrograph
Paramecium bursaria protozoa, light micrograph. These ciliate protozoa inhabit freshwater, where they feed mainly on bacteria

Background imagePhotosynthetic Collection: Photosynthesis, artwork C017 / 0788

Photosynthesis, artwork C017 / 0788
Photosynthesis. Conceptual computer artwork of photosynthesis in a plant cell. Photosynthesis is the process by which most plants convert sunlight (coming from top left) into chemical energy

Background imagePhotosynthetic Collection: Diatom, light micrograph C014 / 4673

Diatom, light micrograph C014 / 4673
Diatom. Differential interference contrast micrograph of a Gyrosigma sp. diatom. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Background imagePhotosynthetic Collection: Scenedesmus algae, SEM C014 / 1461

Scenedesmus algae, SEM C014 / 1461
Scenedesmus algae. Coloured scanning electron micrograph (SEM) of Scenedesmus sp. algae. Scenedesmus is a nonmotile colonial green algae that has its cells arranged in a row

Background imagePhotosynthetic Collection: Plants and photosynthesis C014 / 1252

Plants and photosynthesis C014 / 1252
Plants and photosynthesis. Sunlight (upper left) shining on leafy plants, representing photosynthesis. This is the process by which plants harness the energy in sunlight

Background imagePhotosynthetic Collection: Fenna-Matthews-Olson complex molecule F006 / 9673

Fenna-Matthews-Olson complex molecule F006 / 9673
Fenna-Matthews-Olson complex. Molecular model of the Fenna-Matthews-Olson complex from the green sulphur bacterium Prosthecochloris aestuarii

Background imagePhotosynthetic Collection: Photosynthetic reaction centre F006 / 9462

Photosynthetic reaction centre F006 / 9462
Photosynthetic reaction centre. Molecular model of the photosynthetic reaction centre from the purple bacterium Rhodopseudomonas viridis

Background imagePhotosynthetic Collection: Spirogyra algae, light micrograph C016 / 9592

Spirogyra algae, light micrograph C016 / 9592
Spirogyra algae. Polarised light micrograph of Spirogyra sp. algae. This filamentous green algae is named for the spiral arrangement of its chloroplasts (green)

Background imagePhotosynthetic Collection: Spirogyra algae, light micrograph C016 / 9594

Spirogyra algae, light micrograph C016 / 9594
Spirogyra algae. Rheinberg illuminated light micrograph of Spirogyra sp. algae. This filamentous green algae is named for the spiral arrangement of its chloroplasts (green)

Background imagePhotosynthetic Collection: Tabellaria diatoms, SEM C016 / 9599

Tabellaria diatoms, SEM C016 / 9599
Tabellaria diatoms. Coloured scanning electron micrograph (SEM) of a Tabellaria sp. diatom colony. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Background imagePhotosynthetic Collection: Euglena flagellate protozoa, SEM C016 / 9103

Euglena flagellate protozoa, SEM C016 / 9103
Euglena flagellate protozoa. Coloured scanning electron micrograph (SEM) of two Euglena sp. flagellate protozoa. Euglena sp

Background imagePhotosynthetic Collection: Desmids and spirogyra, light micrograph C016 / 9595

Desmids and spirogyra, light micrograph C016 / 9595
Desmids and spirogyra. Polarised light micrograph of two Micrasterias rotata desmids (round) and a single filament of Spirogyra sp. green alga (lower right)

Background imagePhotosynthetic Collection: Euglena flagellate protozoa, SEM C016 / 9104

Euglena flagellate protozoa, SEM C016 / 9104
Euglena flagellate protozoa. Coloured scanning electron micrograph (SEM) of two Euglena sp. flagellate protozoa. Euglena sp

Background imagePhotosynthetic Collection: Tabellaria diatoms, SEM C016 / 9600

Tabellaria diatoms, SEM C016 / 9600
Tabellaria diatoms. Coloured scanning electron micrograph (SEM) of a Tabellaria sp. diatom colony. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Background imagePhotosynthetic Collection: Tabellaria diatoms, SEM C016 / 9601

Tabellaria diatoms, SEM C016 / 9601
Tabellaria diatoms. Coloured scanning electron micrograph (SEM) of a Tabellaria sp. diatom colony. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Background imagePhotosynthetic Collection: Spirogyra algae, light micrograph C016 / 9593

Spirogyra algae, light micrograph C016 / 9593
Spirogyra algae. Polarised light micrograph of Spirogyra sp. algae. This filamentous green algae is named for the spiral arrangement of its chloroplasts (green)

Background imagePhotosynthetic Collection: Haematococcus alga, light micrograph

Haematococcus alga, light micrograph
Haematococcus alga. Differential interference contrast (DIC) micrograph of a Haematococcus sp. green alga. Magnification: x670, when printed 10 centimetres wide

Background imagePhotosynthetic Collection: Microalgae, light micrograph

Microalgae, light micrograph
Microalgae. Differential interference contrast (DIC) micrograph of Botryococcus braunii (round), and other species of green alga. Magnification: x278, when printed 10 centimetres wide

Background imagePhotosynthetic Collection: Haematococcus algae, light micrograph

Haematococcus algae, light micrograph
Haematococcus algae. Differential interference contrast (DIC) micrograph of a colony of Haematococcus sp. green alga. Magnification: x220, when printed 10 centimetres wide

Background imagePhotosynthetic Collection: Chloroplast, TEM C016 / 6297

Chloroplast, TEM C016 / 6297
Chloroplast. Coloured transmission electron micrograph (TEM) of chloroplast from the moss Physcomitrella patens. Chloroplasts are the sites of photosynthesis

Background imagePhotosynthetic Collection: Chloroplast, TEM C016 / 6298

Chloroplast, TEM C016 / 6298
Chloroplast. Coloured transmission electron micrograph (TEM) of chloroplast from the moss Physcomitrella patens. Chloroplasts are the sites of photosynthesis

Background imagePhotosynthetic Collection: Scenedesmus algae, SEM C014 / 1462

Scenedesmus algae, SEM C014 / 1462
Scenedesmus algae. Coloured scanning electron micrograph (SEM) of Scenedesmus sp. algae. Scenedesmus is a nonmotile colonial green algae that has its cells arranged in a row

Background imagePhotosynthetic Collection: Coccolithophore alga, SEM C019 / 0233

Coccolithophore alga, SEM C019 / 0233
Coccolithphore. Coloured scanning electron micrograph (SEM) of part of a coccolithophore unicellular marine alga. It is surrounded by a skeleton (coccosphere) of calcium carbonate plates (coccoliths)

Background imagePhotosynthetic Collection: Coccolithophore alga, SEM C019 / 0234

Coccolithophore alga, SEM C019 / 0234
Coccolithphore. Coloured scanning electron micrograph (SEM) of part of a coccolithophore unicellular marine alga. It is surrounded by a skeleton (coccosphere) of calcium carbonate plates (coccoliths)

Background imagePhotosynthetic Collection: Coccolithophore alga, SEM C019 / 0224

Coccolithophore alga, SEM C019 / 0224
Coccolithphore. Coloured scanning electron micrograph (SEM) of a coccolithophore unicellular marine alga. It is surrounded by a skeleton (coccosphere) of calcium carbonate plates (coccoliths)

Background imagePhotosynthetic Collection: Diatoms, light micrograph C014 / 4675

Diatoms, light micrograph C014 / 4675
Diatoms. Differential interference contrast micrograph of a group of Meridion circulare diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Background imagePhotosynthetic Collection: Diatom, light micrograph C014 / 4677

Diatom, light micrograph C014 / 4677
Diatom. Differential interference contrast micrograph of a Campylodiscus sp. diatom. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Background imagePhotosynthetic Collection: Green hydra, light micrograph C014 / 4680

Green hydra, light micrograph C014 / 4680
Green hydra. Darkfield illuminated light micrograph of the tentacled head of a green hydra (Hydra viridis). Hydra are small simple predatory fresh-water animals, belonging to the phylum Cnidaria

Background imagePhotosynthetic Collection: Green algae, light micrograph C014 / 4670

Green algae, light micrograph C014 / 4670
Green algae. Differential interference contrast micrograph of a single green alga, showing the chloroplast (green) inside. Algae use the chloroplasts to produce food through photosynthesis

Background imagePhotosynthetic Collection: Diatoms, light micrograph C014 / 4671

Diatoms, light micrograph C014 / 4671
Diatoms. Differential interference contrast micrograph of a group of Achnantes longipes diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Background imagePhotosynthetic Collection: Green hydra, light micrograph C014 / 4681

Green hydra, light micrograph C014 / 4681
Green hydra. Darkfield illuminated light micrograph of a green hydra (Hydra viridis), showing its tentacled head. Hydra are small simple predatory fresh-water animals

Background imagePhotosynthetic Collection: Diatom, light micrograph C014 / 4669

Diatom, light micrograph C014 / 4669
Diatom. Differential interference contrast micrograph of an Achnantes longipes diatom. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Background imagePhotosynthetic Collection: Diatoms, light micrograph C014 / 4668

Diatoms, light micrograph C014 / 4668
Diatoms. Differential interference contrast micrograph of a group of Achnantes longipes diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Background imagePhotosynthetic Collection: Diatoms, light micrograph C014 / 4674

Diatoms, light micrograph C014 / 4674
Diatoms. Differential interference contrast micrograph of a group of Achnantes longipes diatoms. Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species

Background imagePhotosynthetic Collection: Green hydra, light micrograph C014 / 4678

Green hydra, light micrograph C014 / 4678
Green hydra. Light micrograph of the tentacled head of a green hydra (Hydra viridis). Hydra are small simple predatory fresh-water animals, belonging to the phylum Cnidaria

Background imagePhotosynthetic Collection: Ciliate protozoan, light micrograph C014 / 4676

Ciliate protozoan, light micrograph C014 / 4676
Ciliate protozoan. Differential interference contrast micrograph of a ciliate protozoan, showing the symbiotic green algae (Zoochlorellae, green) contained in vacuoles within



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Photosynthetic organisms, such as diatoms, are fascinating microscopic creatures that play a crucial role in our ecosystem. Seen here under the scanning electron microscope (SEM), their intricate structures and vibrant colors captivate scientists and artists alike. One of the most striking features of diatoms is their cell wall, which can be observed in detail through SEM imaging. These walls are made up of silica, forming beautiful geometric patterns that resemble delicate artwork. Each diatom species has its own unique design, making them a treasure trove for researchers studying biodiversity. Beyond their aesthetic appeal, diatoms possess chloroplasts - specialized organelles responsible for photosynthesis. These tiny powerhouses convert sunlight into energy by harnessing pigments like chlorophyll. Under SEM magnification, we can witness the complexity of these chloroplast structures within diatom cells. Diatoms come in various shapes and sizes; some appear like elongated rods while others resemble intricate snowflakes or even miniature fans. SEM allows us to explore this diversity up close and appreciate the incredible intricacy present within each individual organism. These photosynthetic wonders not only contribute to global oxygen production but also serve as an essential food source for marine life. Their ability to thrive in diverse environments makes them vital indicators of water quality and ecological health. Through continued research using techniques like SEM imaging, we gain valuable insights into the world organisms like diatoms. By understanding their structure and function at a microscopic level, we unlock secrets about our planet's past climate conditions while also paving the way for innovative solutions inspired by nature's ingenuity.