Which of these is a characteristic of index fossils? (7 points) a Found in the topmost rock layer b Found in many layers of the same rock c Have already established relative age d Are limited to a particular geographic location

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