<span>An organism of the Kingdom Protista could be organisms that are eukaryotic. Though they are such, some organisms that belong in this kingdom can't be classified as a plant, animal or fungus. Organisms like algae and kelp which belong in this kingdom are multicellular and they are able to provide for themselves food, shelter, and oxygen in underwater environments.</span>
The immune system. It produces antibodies which fight the bacteria or virus that caused the infection
Answer:
Multicellular organisms can be described as an organism which is made up of multiple cells. A unicellular organism is made up of only a single cell. Multicellular organisms are complex organisms as they are made up of more than one cell. Unicellular organisms are simple organisms as they constitute of only a single cell.
Examples of a multicellular organism include humans, elephants, bats, rats, cats etc.
Example of a unicellular organism is bacteria.
