What were the subgroups to plants

What is the importance of having the us forest service, the bureau of land management, the us fish and wildlife service, and the national park service? to manage land resources for conservation and the development of natural resources to manage land resources for conservation and the development of urban areas to preserve historical landmarks and manage the development of urban areas to preserve historical landmarks and manage the development of rural areas

28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?

24. how are vaccines used to keep people healthy?