Question

1. choose the best answer. how does a multicellular organism grow? the size of the cells stay the same. the cells get smaller. the cells divide, increasing the number of cells. the cells get bigger.

Explanation:

Multicellular organisms grow mainly through cell - division. Cell division increases the number of cells in the organism. While cells can change in size to some extent during development, the primary mechanism for growth of a multicellular organism is cell - division.

Answer:

The cells divide, increasing the number of cells.