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SAAT BIOLOGY MR.MOHAMED ELGAYAR MRPROF.NET
• A kingdom is divided into more specific phyla or
divisions.
• kingdom is the most general of the taxon listed here.
Species is the most specilic.
A species is a group of organisms that have similar traits
and are able to produce fertile offspring.
The phylogenetic species concept is a classification based
on evolutionary history, if the evolutionary history of a
species is unknown, its species status cannot be
determined.
• Domain Eukarya contain organisms with membrane-
bound nuclei.
• The cell walls of Fungi contain chitin, in contrast with
those of plants, which contain cellulose.
• Protista are eukaryotic organisms that can be unicellular,
multicellular, or colonial.
MRPROF.NET MR.MOHAMED ELGAYAR MRPROF.NET@GMAIL.COM 6
