Alga Meaning: Definition, Examples, and Translations
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alga
[หรฆlษกษ ]
Definition
marine organism
Alga refers to a diverse group of photosynthetic organisms found in aquatic environments. These organisms can range from microscopic phytoplankton to larger seaweeds. Algae play a crucial role in ecosystems, producing oxygen and serving as a primary food source for many aquatic animals. They come in various shapes, sizes, and colors, and can be classified into different groups such as green, brown, and red algae.
Synonyms
phytoplankton, sea vegetable, seaweed.
Examples of usage
- The pond was covered with green algae.
- Some species of alga are used in food production.
- Algae are essential for maintaining the balance of aquatic ecosystems.
Translations
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Origin of 'alga'
The term 'alga' comes from the Latin word 'alga', meaning 'seaweed' or 'marine plant'. This word was adopted in the English language during the late 19th century as a scientific term. Algae, as biological entities, have been extensively studied since antiquity, with ancient civilizations recognizing their presence in aquatic environments. The classification of algae has evolved significantly over the years, driven by advancements in microscopy and molecular biology. In contemporary science, algae are categorized into several major groups based on their photosynthetic pigments and cellular structure. This classification reflects the diverse roles that algae play in aquatic ecosystems, from oxygen production to serving as a food source for various organisms.