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Question: Homework:

Question: Homework:. Can you name the six major groups of living things on Earth? How many can you come up with?. Introduction to Classification. How We Classify. Levels of classification “King Philip Came Over For Grape Soda Kingdom (bacteria, plants, animals, etc.) Phylum

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Question: Homework:

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  1. Question: Homework: • Can you name the six major groups of living things on Earth? • How many can you come up with?

  2. Introduction to Classification

  3. How We Classify • Levels of classification • “King Philip Came Over For Grape Soda • Kingdom (bacteria, plants, animals, etc.) • Phylum • Class • Order • Family • Genus • Species

  4. Charles Linnaeus • Idea of Binomeal Nomenclature • All species’ scientific name are Genus species • Example: Killer Whale • Genus: Orcinus • Species: Orca • Name: Orcinis orca

  5. Taxonomy • The study of classifying organisms • Began with Linnaeus • Involves putting ALL living things into groups showing how closely they are related and how they differ.

  6. Another Approach… • Can be studied by placing species in a diagram, showing how closely related they are • the closer the species branched apart, the more closely related they are • can make these based on physical traits, or use DNA samples to show how similar they are genetically.

  7. The kingdoms • 6 major kingdoms (currently being changed…) • archaebacteria • eubacteria • protista (being split up) • plantae • animalia • fungi

  8. Bacteria • archaea- • ancient bacteria, many make energy in strange ways • eubacteria • bacteria we are more familiar with ex- strep, e. coli, etc. • both of these are larger groups than all other groups put together!

  9. Protista • All single-celled, eukaryotic organisms • plant-like (ex. algae) • fungus-like (ex. yeast) • animal-like (many predatory) • this is mainly what you were growing in your soda bottle succession labs

  10. Plantae • Plants- • multi-cellular, photosynthesizing organisms • have cell wall, large vacuole

  11. Fungi- • Fungus • multi-cellular, HETEROTROPHIC (must EAT to get their food) • have cell walls • ex. athlete’s foot, ringworm, mushrooms

  12. Animalia- • Animals • multi-cellular, heterotrophic • wide range of levels of development

  13. Animalia- • Sponges – non-mobile in main life phase. Simple group of cells designed to pump water into main cavity and out central opening, acting as filter-feeders • Cnidarians- (jellies and anemones)- soft, water-filled bodieswith stinging cells • echinoderms (spiny-skinned… ex. sea stars) – 5-parted body, no brain, water skeletal system • arthropods- (insects) – hard exoskeletons, jointed legs

  14. Animalia- • mollusks- squid, octopus, snails, bivalves- soft bodies with shells or remnants of a shell • Worms simple round bodies, some witha simple circulatory system • amphibians- (frogs salamanders)- slimy bodies, able to breath through skin, have most internal organs that we have • reptiles- (snakes, lizards)- hard, scaly skin preventing them from drying out • birds- hollow bones, scales modified to feathers

  15. Animalia • Mammalia- mammals- fur, birth to live young, produce milk to feed babies

  16. Sponges

  17. Cnidarians

  18. Echinordermata

  19. Arthropods

  20. Mollusks

  21. Worms

  22. Amphibians

  23. Reptiles

  24. Birds

  25. Mammals

  26. Question? Which is the least diverse groupdiscussed?

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