The selection of ecosystems, physical science principles, and human biology as assessed scientific concepts reflects a broad and foundational understanding of scientific principles relevant to a wide variety of contexts. Ecosystems encompass the interactions between living organisms and their environments, which is fundamental to understanding ecology and conservation. Physical science principles cover the basic concepts of matter, energy, and the laws governing physical phenomena, which are essential for comprehending the workings of the natural world.
Human biology focuses on the structure and function of the human body, highlighting the importance of biological sciences in health and medicine. Collectively, these areas represent key components of the natural sciences curriculum and provide a comprehensive overview of critical scientific knowledge and applications. This combination encourages an integrative approach to understanding both living systems and the physical laws that govern them, making these concepts especially pertinent for assessments designed to evaluate a student's scientific literacy and reasoning skills.