Question

There is a need for specific organs to carry out life processes arise in complex multicellular organisms.Why?

Answer 1

hey mate here is your answer...

Multicellular organisms need specialised organ systems, whereas all the life processes in a unicellular organism take place in that one cell. Multicellular organisms need organ systems to carry out functions such as: Communication between cells, eg the nervous system and circulatory system.

hope it helps you...