Introduces cells, cell theory, and the levels of organization in organisms.
Reviews cells, the cell theory, and the levels of organization in organisms.
This amazing interactive animation shows the relative sizes of cell parts compared to other objects such as a grain of rice, red blood cell, and chromosome.
Provides a brief history of the evolution of cells from simple anaerobic prokaryotes to more sophisticated aerobic eukaryotes. Also provides a history of cell theory and how cells were discovered.