The body of the algae is a thallus, or thallus. It is not dissected into organs (root, stem, leaves), it does not have a vascular system.
Algae cells have features characteristic of a plant cell: the presence of a cell wall, a vacuole with cell sap, and chloroplasts. In algae, large chloroplasts can be of various shapes – spiral, ribbon-like, cup-shaped, etc. They are called chromatophores. In addition to chlorophyll, algae can have other pigments – yellow, orange, red, blue, which mask the green color and give the algae a beautiful, brown, golden color.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.