Which statement concerning a single-celled organism and a multicellular organism is correct?
1) single-celled organisms contain organs, whereas a multicellular organisms lack organs
2) both single-celled organisms and multicellular organisms have the same organ system
3) both single-celled organisms and multicellular organisms have structures that preform life processes
4) single-celled organisms lacks structures to help maintain dynamic equilibrium
1) single-celled organisms contain organs, whereas a multicellular organisms lack organs
2) both single-celled organisms and multicellular organisms have the same organ system
3) both single-celled organisms and multicellular organisms have structures that preform life processes
4) single-celled organisms lacks structures to help maintain dynamic equilibrium