Recognize and analyze alternative explanations and predictions. Communicate scientific procedures and explanations. Use mathematics in scientific inquiry. Understand that scientific explanations emphasize evidence. Living systems at all levels of organization demonstrate the complementary nature of structure and function.
Specialized cells perform specialized functions in multicellular organisms.
Each type of cell, tissue, and organ has a distinct structure and a set of functions that serve the organism as a whole. Disease is a breakdown in structures or functions of an organism. Light interacts with matter by transmission, absorption, or scattering. To see an object, the eye must gather light emitted by or scattered from that object. Safe living involves the development and use of safety precautions and the recognition of risk in decisions.