Justify the need for the appearance of various tissues in plants after their emergence on land: mechanical, integumentary, conductive.

Due to the fact that air cannot serve as a reliable support, mechanical tissues arose in plants. Changes in climatic factors caused the formation of dense integumentary tissues. The presence of water and nutrients in the soil caused the appearance of conductive tissues.

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.