Why did plants develop organs and tissues during the transition from the aquatic environment to the development

Why did plants develop organs and tissues during the transition from the aquatic environment to the development of the ground-air environment?

1) In an aquatic environment, each cell has access to all the substances it needs (CO2, H2O, phosphorus, etc.)
2) In the ground-air environment, co2 is in the atmosphere, and the rest of the substances are in the soil
3) Because of this, there is a need for specialized organs (leaves and roots) and tissues – conductive and mechanical

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