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Unit 2 PP 1

Unit 2 PP 1. Define / Describe binomial of naming species:. - Every organism is given 2 names (by Carl Linnaeus, a Swedish Botanist – in Latin) These are: Genus & species (Genus – first letter is capitol, species is not – both are italic) Eg . Canis lupus - Wolf

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Unit 2 PP 1

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  1. Unit 2 PP 1

  2. Define / Describe binomial of naming species: • - Every organism is given 2 names (by Carl Linnaeus, a Swedish Botanist – in Latin) • These are: Genus & species (Genus – first letter is capitol, species is not – both are italic) • Eg. Canis lupus - Wolf • Can also be written as C. lupus

  3. Classification – each division has its own unique characteristics( REMEMBER: Kings Play Chess On Fine Grained Sand) • Kingdom – Animal, Plant, Fungi, Prokaryotes, Protista • Phylum - vertebrates/ arthropods / nematodes / annelids / mollusks • Class – fish / reptiles/ birds/ amphibians/ mammals - crustaceans, insects, myrapods, arachnids • Order - • Family - • Genus - • Species -

  4. Kingdoms: Animal Plant Fungi Prokaryotes Protista

  5. Kingdom: Animal; Phylum: Vertebrates includes….. • Fish Reptiles Birds: Amphibians: Mammals:

  6. List features of vertebrates (as above):

  7. Kingdom: Animals; Phylum: Arthropods includes… • Crustaceans: Insects: • Myrapods: • Arachnids:

  8. Kingdom: animal;Phylum : nematodes / annelids / mollusks includes…. Nematodes: Annelids: Mollusks:

  9. Adaptations (list of features) of organisms (as above):

  10. Kingdom: Plants • Phylum: Anthrocerotophyta – (one of many) (Flowering plants) • Monocotyledon (Monocots): • Fibrous roots to uptake more water than Dicots • Over ground damaged roots can regenerate • Roots expand like a mat to maximize surface area to exposed minerals • Dicotyledon (Dicots): • Larger roots more resistant to damage if pulled • Well branched / roots go deep underground • Have thorns for protection (roses)

  11. Some background information on plants

  12. Monocots / Dicots • What’s a cotyledon? Parts of the seed – Mono – one part / Di – 2 parts

  13. Leaves Dicot Monocot

  14. Info on viruses: ~1 nano-meter (1x 10-9 nm) Virus attaches to the cell’s surface DNA or RNA of the virus (either /or) * Nucleic acid =DNA or RNA = genetic material – enters the cell Viral DNA or RNA makes copy of itself using the cell’s own machinery. Outside the nucleus the virus is assembled New viruses leave the cell

  15. More on Bacteria: 1000 x smaller than animal cell • Single cell organism (prokaryotic) • Cell wall made of peptidoglycan • No nucleus

  16. More on Fungi • Do not do photosynthesis /No chlorophyll • Reproduce via spores • Saprotropic (secrete enzymes on their food / digest it and then absorb it) • Feed on dead and waste matter Myceluim = main body of Mushroom Cell wall made up of chitin Mycelium made up of Hyphe ( small thread like structures that grows where the mushroom is feeding.

  17. Classification of viruses / bacteria / fungi / adaptations

  18. Main features for the classification of:

  19. Main features for the classification of:

  20. There are other classification systems • Cladistics – based on DNA / RNA sequencing data

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