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.
That is TRUE, but since you gave no options im saying true
If the father had the blood type B then the child would have one of these blood types: AA, AB, AO, BO
None of these blood types is B thus the man is not the father
I’m not sure about the answer but I believe he’s not the father