Question

what would have happened if the plant cells and the animal cell were to have the same structure and function

Answer 1

if so , among plants and animals only one kind of them would be existed because there would not be any different t cell in the world..

Answer 2

If it would be such a case then one would exist while the existence of another would not be possible because only one type of cell could do all functions thus the use of other would not be needed