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B
Autotrophic and Chemosynthetic
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C
Heterotrophic and Photosynthetic
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D
Heterotrophic and Chemosynthetic
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Solution
The correct option is A Autotrophic and Photosynthetic Algae is any eukaryote, other than plants, that conduct photosynthesis. They range from single-celled organisms to multicellular seaweeds over 180 feet in length with specialized organs. They are found in most environments, especially very wet ones, perhaps most notably the oceans, where they are the dominant producers.
Autotrophic Nutrition: The organisms prepare their own food from simple raw materials like water, carbon dioxide and mineral salts in the presence of sunlight.
When the process of food preparation is carried out with the help of photosynthesis process, the organism is called as photosynthetic.