Cells are the smallest unit of life. Cells in multicellular plants and animals are arranged into tissues, organs and organ systems. Cells. Tissues. Organs. Organ systems. And the organism itself.

This concept has already helped us understand how plants grow. Animal tissues, however, are more dynamic, with cells that change shape, size, and position." To see if shape programming could be a ...

This concept has already helped us understand how plants grow. Animal tissues, however, are more dynamic, with cells that change shape, size, and position." To see if shape programming could be a ...