In this activity, students will be asked to put the biological and ecological levels of organization in the correct order. You can choose to use all the cards at once or separate them for different units. All you have to do is print, cut, and shuffle! Great for inquiry, bellwork, test review, or to be glued into interactive notebooks. Biological cards included: atom, cell, tissue, organ, organ system, organismEcological cards included: individual, population, community, ecosystem, biome, biosphe