Levels of Organization in Biology

Type of Resource



This activity uses the example of a flock of pelicans in flight to illustrate how analysis at multiple levels of organization enhances our understanding of a biological phenomenon. Through an interactive whole-class discussion of PowerPoint slides, students learn about the multiple levels of organization in biology, as well as reductionism and emergent properties. To reinforce these concepts, students answer the questions in a Student Handout and discuss their answers in additional whole class d

Performance Expectations

HS-LS1-2   Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.