Standard - E. Cells:
Students describe the hierarchy of organization and function in organisms, and the similarities and differences in structure, function, and needs among and within organisms.
Performance Indicators:
- Explain the relationship among cells, tissues, organs, and organ systems, including how tissues and organs serve the needs of cells and organisms.
- Compare the structures, systems, and interactions that allow single-celled organisms and multi-celled plants and animals, including humans, to defend themselves, acquire and use energy, self-regulate, reproduce, and coordinate movement.
- Explain that all living things are composed of cells numbering from just one to millions.