green algae
What are the most direct ancestors of land plants?a. photosynthesizing prokaryotes (cyanobacteria)b. kelp (brown alga) that formed large beds near the shorelinesc. liverworts and mossesd. green algae
Green algae is a diverse group of photosynthetic organisms that belong to the kingdom Plantae. They are found mainly in freshwater and marine environments, where they play an important role in the food chain and ecosystem. Green algae can also be found in damp terrestrial habitats, such as soil, rocks, and tree trunks.
Green algae can be unicellular, colonial or multicellular with a variety of shapes and sizes. They are usually green in color due to the presence of chlorophyll pigments, and they perform photosynthesis to produce their own food. Green algae are eukaryotic, meaning they have a membrane-bound nucleus and organelles.
Some types of green algae are used as a food source for humans and animals, such as the seaweed nori that is used in sushi. Other types of green algae are used in biotechnology research, such as the model organism Chlamydomonas reinhardtii. Additionally, green algae have potential applications in biofuel production due to their ability to produce large amounts of lipids.
Overall, green algae are an important group of organisms that contribute to the diversity and functioning of ecosystems and have diverse potential uses in food, biotechnology, and energy.
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