Science 5-8 NSES Content Topic Structure and Function in Living Living systems at all levels of organization demonstrate complementarity of structure and function. Important levels of organization for structure and function include cells, organs, organ systems, whole organisms, and ecosystems. Biological Evolution Biological classifications indicate how organisms are related. Organisms are classified into hierarchy of groups and subgroups based on their similarities and reflecting their evolutionary relationships.
Species is the most fundamental unit of classification.
The atoms and molecules on the Earth cycle among the living and nonliving components of the biosphere. To understand the vocabulary related to ecology, to include hierarchy, biosphere, ecosystem, biome, community, population, species, organisms, cells, atom EnSc A.2. To understand that atoms and molecules make up living and nonliving components of the biosphere EnSc A.3. To understand that the species is the most fundamental unit of classification EnSc A.4. To understand the classification of organisms into a hierarchy of groups and subgroups EnSc A.5.