Protista and fungi are lower level organisms, which are classified into the kingdom Protista and Fungi, respectively. Protists are mostly unicellular organisms, whereas the fungi are mostly multicellular organisms. ... Protists can be either heterotrophs or autotrophs. Fungi contain a cell wall, which is made up of chitin.
Both protists and fungi are less organized organisms when compared with plants and animals. The difference between the protists and the fungi is the cell structure between them. The protists are unicellular, whereas the fungi are multi-cellular. Fungi are multi-cellular organisms.
The Sun is renewable energy because it's something that will never run out. The Sun will always be there no matter how many times it is used for solar power.
