Which statement best describes how scientists formed cell theory? a. schwann observed that plants are made of cells and shared his theory at conferences. b. pasteur observed that cork was made of cells and published his findings widely. c. remak wrote cell theory after realizing that cells cannot come from non-living matter. d. multiple scientists and observations contributed to the formation of cell theory.

Match the order of the levels of organization in nature with the correct description. example: atoms are fundamental units of matter= level 1levels- 2,3,4,5,6,7,8.now what levels are these? population consists of organismscells consist of moleculesecosystems consist of communities interacting with there environmentmolecules consist of atomsthe biosphere consist of all ecosystems on earthcommunities consists of populationorganisms consist of cells