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Classification

Classification. Grouping & Identifying Living Things. This Powerpoint is hosted on www.worldofteaching.com Please visit for 100’s more free powerpoints. Why classify?. Think of three examples where we group things. Why do we group these things?. Classifying Living Things.

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Classification

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  1. Classification Grouping & Identifying Living Things This Powerpoint is hosted on www.worldofteaching.com Please visit for 100’s more free powerpoints

  2. Why classify? • Think of three examples where we group things. • Why do we group these things?

  3. Classifying Living Things • We put livings things into two large groups: • Animals • Plants

  4. Animals • Animals are spilt into two major groups:

  5. Vertebrates • These are animals with a backbone. • There are five groups of vertebrates: • Amphibians • Birds • Fish • Reptiles • mammals

  6. Amphibians • Features: • live on land and in water • Have gills as youth and lungs as adults

  7. Birds • Have feathers and hollow bones • Lay hard shelled eggs • Warm blooded

  8. Fish Characteristics vary dependant on which category the fish is classified under • Features – • Boney – Osteichthyes • Cartilaginous – Chondrichthyes • Jawless - Agnatha

  9. Reptiles • Features: • lay eggs • Cold blooded • Dry, scaly skin • Breathe air

  10. Mammals • CHARACTERISTICS • Have hair and produce milk • Give birth to live offspring (no eggs) • Warm blooded

  11. Summary of Vertebrates

  12. Invertebrates • These are animals without a backbone • There are eight groups of invertebrates • Flatworms • Annelids • Roundworms • Sponges • Echinoderms • Cnidarians

  13. Crawl on a single fleshy pad. Can have a shell Molluscs

  14. Flatworms • Have flat worm like bodies

  15. Annelids • Features – • Segmented

  16. Roundworms/Nematodes • Have long thin round worm like bodies • Have bodies with no segments

  17. Sponges • Have bodies made of loosely joined cells

  18. Echinoderms • Have bodies divided into five parts • Have spiny outer covering

  19. Cnidarians • Have thin sack like bodies • Have tentacles

  20. Arthropods • Have lots of legs and segmented bodies. • There are four group of arthropods: • Arachnids • Centipedes & Millipedes • Crustaceans • Insects

  21. Arthropods - Arachnid • Features – • 4 pair of jointed legs • 2 body parts • Lack antennae and wings • Diverse group of spiders, scorpians, ticks, mites, harvestman and their cousins

  22. Arthropods – Myriapods Centipedes & Millipedes • Have long thin bodies and pairs of legs on each of their many body sections

  23. Arthropods - Crustacean • Have five-seven pairs of legs • First pair often used as pincers • Bodies covered in shell

  24. Arthropods - Insects • Have three pairs of legs • Bodies divided into three sections • Often have wings

  25. Summary

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