Answer: B - Their cells can co-ordinate to perform different activities
C - They have specialized levels of organization, such as tissues, that carry out specific functions
Step-by-step explanation:
Multicellular organisms have differentiated cells that form the different tissues and organs (liver, heart, vessels etc) that carry out different functions for the survival of the organism. These tissues, organs carry out different specialised function, for example, the blood tissue carries out transportation