If viruses we somewhere else in the universe, they would be considered as living organisms because they would be living on their own and viruses cant survive out of a host cell, there are no hosts anywhere else in the universe only on earth because sustainace of life can only exists on earth
Which organism belongs to more than one trophic level
Mitosis (also known as cellular division) is just copying of cells. So the answer would be 18.If the question were about meiosis (sexual division), then the answer would be 9, because that would make 4 daughter cells, each encompassing half the original number of chromosomes (18).
They would not be able to fit into a semipermeable membrane it will just pass threw