Introduces cells, cell theory, and the levels of organization in organisms.
Reviews cells, the cell theory, and the levels of organization in organisms.
Come up with questions about a topic and learn new vocabulary words to determine answers using an Ask, Answer, Learn table.
Learn about the discovery of cells and how they came to be foundational to biology.
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.