Organelles? that'd be my geuss
Answer:
Plantae, Archaebacteria, Eubacteria, and potentially fungi. I say potentially because I am not 100% certain if all organisms falling under the category of fungi contain cell walls.
Parasitism and autotrophism
Maybe B. the government because maybe he was the important one.
Pluto is not considered a planet due to all the reasons you stated above
