algae

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Algae Royalty Free Stock Photo
Algae Royalty Free Stock Photo
Green algae Royalty Free Stock Photo
Pond with green algae Royalty Free Stock Photo
Spirulina algae powder Royalty Free Stock Photo
Blue-green algae bloom Royalty Free Stock Photo
Spherical colony of freshwater green algae Volvox Royalty Free Stock Photo
Algae
Spirulina algae powder Royalty Free Stock Photo
Algae under microscopic view Royalty Free Stock Photo
Photobioreactor in lab algae fuel biofuel industry. Royalty Free Stock Photo
Green algae Royalty Free Stock Photo
Algae Royalty Free Stock Photo
Microscopic view of green algae (Spirogyra) Royalty Free Stock Photo
Seaweeds. Underwater ocean plants, sea coral elements, hand drawn ocean flourish algae, cartoon decorative drawing Royalty Free Stock Photo
Algae & x28;/ˈældʒi, ˈælɡi/; singular alga /ˈælɡə/& x29; is an informal term for a large, diverse group of photosynthetic organisms that are not necessarily closely related, and is thus polyphyletic. Included organisms range from unicellular microalgae genera, such as Chlorella and the diatoms, to multicellularforms, such as the giant kelp, a large brown alga which may grow up to 50 m in length. Most are aquatic and autotrophic and lack many of the distinct cell and tissue types, such as stomata, xylem, and phloem, which are found in land plants. The largest and most complex marine algae are called seaweeds, while the most complex freshwater forms are the Charophyta, a division of green algae which includes, for example, Spirogyra and the stoneworts.


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