1. Foundation of the Ecosystem: As producers, plants are the basis of food chains and food webs, providing food and habitat for other organisms.
2. Guarantee of Biodiversity: The richness of plant species directly determines the stability and complexity of the ecosystem.
3. Treasure Trove of Natural Resources: Plant-derived substances, such as drugs, spices, dyes, fibers, etc., are important resources for human social development.
4. Environmentally Friendly Energy: Plant biomass energy is a renewable and low-polluting energy source, which is of great significance for mitigating the energy crisis and protecting the environment.
