Why do plants and animals have different tissues, although they are formed by similar cells?

Tissues – groups of cells similar in origin, identical in structure and function. Tissues are also cells located next to each other, interconnected by intercellular substance.
The difference in tissues between plants and animals is explained by their functions. For example, assimilation tissue in plants is one of the varieties of integumentary tissues in animals.

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.