Phycology is the study of algae. It is a branch of biology that focuses on the classification, structure, physiology, and ecology of algae species. Algae are a diverse group of photosynthetic organisms that play a critical role in aquatic ecosystems and the global carbon cycle. Phycologists study the various types of algae, including microscopic phytoplankton and larger seaweeds, examining their life cycles, reproductive strategies, and ecological interactions. Research in phycology also explores the potential uses of algae in areas such as biotechnology, medicine, and biofuels. By understanding algae’s functions and contributions to ecosystems, phycology helps inform conservation efforts and sustainable management of aquatic environments. Algae are essential for maintaining biodiversity and supporting the food web in marine and freshwater habitats, making their study important for environmental science and resource management.