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CLASSIFICATION. Why do we classify things into groups?. It makes things easier to identify and describe Important for: Quarantine Medicine Conservation Personal safety. The Classification System. The classification system we use is hierarchical
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Why do we classify things into groups? • It makes things easier to identify and describe • Important for: • Quarantine • Medicine • Conservation • Personal safety
The Classification System • The classification system we use is hierarchical • At the beginning of this system organisms have little in common. • The further you move through the system the more closely related organisms become.
Hierarchical Model Kingdom Phylum Class Order Family Genus Species Lots of organisms with few similarities Few organisms with lots of similarities
Humans? Kingdom - Animalia Phylum - Chordata Class - Mammalia Order - Primates Family - Hominidae Genus - Homo Species - sapiens Homo sapiens
Horse Kingdom - Animalia Phylum - Chordata Class - Mammalia Order - Perrisodactyla Family - Equidae Genus - Equus Species - caballua Equus caballua Black rhinoceros Kingdom - Animalia Phylum - Chordata Class - Mammalia Order - Perrisodactyla Family - Rhinoceritidae Genus - Diceros Species - bicornis Diceros bicornis
The Five Kingdoms • Animalia • Plantae • Fungi • Protista • Monera
We are now going to look at the major phylums (phyla) in the ocean …..
Marine Phyla PHYLUM ANIMALS • Rotifera - Plankton • Porifera - Sponges • Cnidaria - Jelly fish, Sea anemones, corals • Mollusca - Snails, Squid, Mussels • Arthropoda - Crabs, Shrimp • Echinodermata - Sea Urchin, Sea star, Sea cucumber • Chordata - Fish, Sharks, Stingrays