A scientist finds an unusual object and decides to study it.. . . . Which observation indicates that it is a living thing that i
s multicellular?. . . . A.. It can be found in water.. . . B.. It has membrane-bound organelles.. . . C.. It possesses an uneven shape.. . . D.. It is motile.
The observation that indicates that it is a living thing that is multicellular because it has membrane-bound organelles. The correct answer is option B. Multicellular organisms' cells are macroscopic which are naked to the visible eye. These organisms are eukaryotic so this means that their cells contain membrane-bound structures.