Which among the given options can be categorized as autotrophs?
A
Algae
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B
Cyanobacteria
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C
Phytoplankton
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D
All of the above
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Solution
The correct option is D All of the above Autotrophs are organisms that are capable of synthesizing food on their own. Algae are aquatic organisms which belong to the division ‘Thallophyta’ under kingdom Plantae. Cyanobacteria which is also known as blue green algae is a bacteria classified under the kingdom Monera. Phytoplanktons are a group of tiny microscopic organisms that are found in large water bodies like oceans. All of the above can be categorised as autotrophs since they prepare their own food by converting simple inorganic molecules to complex organic molecules mostly by the process of photosynthesis due to the presence of the pigment chlorophyll.