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Classification

Classification. What do you know about classification?. How is a grocery store organized?. What is classification and why is classification important?. Classification puts things into groups. It makes things easier to find, identify, and study. How would you classify organisms?.

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Classification

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  1. Classification • What do you know about classification?

  2. How is a grocery store organized?

  3. What is classification and why is classification important? • Classification puts things into groups. • It makes things easier to find, identify, and study.

  4. How would you classify organisms?

  5. What is scientific classification? • Scientific classification groups all plants and animals on the basis of certain characteristics they have in common.

  6. How do scientists classify organisms? • Group first into: • Kingdoms (the largest) • Phylum • Class • Order • Family • Genus • Species • Use binomial nomenclature (two-parted names) to identify species

  7. Kingdom Animalia How many species of animals do you think there are?

  8. As of 2010… Vertebrate Animals Mammals 5,490 Birds 9,998 Reptiles 9,084 Amphibians 6,433 Fishes 31,300 Total Vertebrates 62,305 Invertebrate Animals Insects 1,000,000 Spiders and scorpions 102,248 Molluscs 85,000 Crustaceans 47,000 Corals 2,175 Others 68,827 Total Invertebrates 1,305,250

  9. Some of the phyla… of 36 • Phylum Porifera (“pore bearing”) – sponges • Phylum Platyhelminthes (“flatworm”) • Phylum Annelida (“ringed) - worms • Phylum Cnidaria (“possessing stings”) – corals, sea anemones, jellyfish • Phylum Arthropoda (“jointed legs”) – insects and crustaceans • Phylum Mollusca (“soft bodied”) – snail, squid, octopus, clam • Phylum Echinodermata (“hedgehog skin”) - sea urchin, sea cucumber, sea star • Phylum Chordata (chord = string)

  10. Phylum Porifera (“pore bearing”) – sponges

  11. Phylum Platyhelminthes (“flatworm”)

  12. Phylum Annelida (“ringed) - worms

  13. Phylum Cnidaria (“possessing stings”) – corals, sea anemones, jellyfish

  14. Phylum Arthropoda (“jointed legs”) – insects and crustaceans

  15. Phylum Mollusca (“soft bodied”) – snail, squid, octopus, clam

  16. Phylum Echinodermata (“hedgehog skin”) - sea urchin, sea cucumber, sea star

  17. Phylum Chordata (chord = string) • Class Chondrichythes (chondro = cartilage; ichthys = fish) – sharks, rays • Class Osteichythes (osteo = bone) – boney fish • Class Reptilia (reptili = creeping) - turtles, lizards • Class Amphibia (amphi = on both sides, double; bios = life) - frogs • Class Aves (avi = a bird) • Class Mammalia (mamma, mammil = milk fed)

  18. Class Chondrichythes (chondro = cartilage; ichthys = fish) – sharks, rays

  19. Class Osteichythes (osteo = bone) – boney fish

  20. Class Reptilia (reptili = creeping) - turtles, lizards

  21. Class Amphibia (amphi = on both sides, double; bios = life) - frogs

  22. Class Aves (avi = a bird)

  23. Class Mammalia (mamma, mammil = milk fed)

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