Question

information about algae​

Answer 1

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Algae are aquatic green plants found in puddles, streams, ponds and oceans as bright green layer on the surface. Algae may be single celled multi-celled or colonial. These are plant like organisms containing chlorophyll. On the basis of pigments they are classified into the following three types:

★GREEN ALGAE contain only chlorophyll.

★BROWN ALGAE contain brown pigment along with chlorophyll.

★RED ALGAE contains red and blue pigments along with chlorophyll.

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Answer 2

Algae is an informal term for a large, diverse group of photosynthetic eukaryotic organisms that are not necessarily closely related, and is thus polyphyletic. Including organisms ranging from unicellular microalgae genera, such as Chlorella and the diatoms, to multicellular forms, 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.