Question

Which statement is supported by the cell theory? All animal cells are the same size. All plant cells are the same shape. Similar organisms all have the same number of cells. Cells are the primary unit of structure in living organisms.

All animal cells are the same size.
All plant cells are the same shape.
Similar organisms all have the same number of cells.
Cells are the primary unit of structure in living organisms.

Answer 1

cells are the primary unit of structure in living organisms

Step-by-step explanation:

Answer 2

Cells are the primary unit of structure in living organisms is correct.
A and B are ruled out easily. Cells vary in size. C is also incorrect. Both of us are human,but we have a varying amount of skin cells, blood cells, etc.
D is the only correct answer.