Algae are autotrophic organisms, meaning they can produce their own food through the process of photosynthesis.
Algae is the oldest organism that is still alive on Planet Earth and has existed since about 3 billion years ago.
Some species of algae can be used as raw materials for making food and drinks, such as sushi and spirulina.
Algae are often considered a disorder in the swimming pool, but in fact they can help maintain the balance of water ecosystems.
Algae can also be used as an alternative energy source that is environmentally friendly, because they can produce biofuels.
Some species of algae have different pigments, so that it can produce a variety of colors such as green, red, brown, and blue.
Algae can live in various environments, ranging from fresh water to deep sea and even in extreme environments such as deserts or ice.
There are around 30,000 species of algae that have been identified, and it is estimated that there are still many other species that have not been found.
Algae can help reduce carbon dioxide levels in the atmosphere and maintain the balance of marine ecosystems.
Some algae species also have medical benefits, such as containing compounds that can help overcome heart disease, diabetes, and cancer.