The Abbasid Caliphate differed from others in that it did not have the same borders and extent as Islam. Particularly, in the west of the Caliphate, there were multiple smaller caliphates that existed in relative peace with them.
The major difference between the protist and the animal kingdom is protists are unicellular protozoans and unicellular & multicellular, but animals are multicellular animals.
An Explanation of the 5 Significant Kingdoms of Living Things According to the Carl Linnaeus system of classification, the 5 kingdoms of living things are Monera, Protista, Fungi, Plantae and Animalia. Read on to understand more... As per evidences, life originated on the planet earth billions of years ago.