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Summary Hoofstuk 34

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Opsomming wat al die sketse en ekstra notas bevat wat genoem word tydens lectures en nie in die slides is nie. Die werk is in 'n sinvolle manier weerspeel wat dit meer verstaanbaar maak en die tyd wat bestee moet word aan leer aansienlik verminder.

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Institution
University Of Pretoria (UP)
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ZEN 161 (ZEN161)








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Peter H. Raven, George B. Johnson, Kenneth A. Mason, Jonathan B. Losos, Susan R. Singer Biology
  • 2013
  • 9781259080814
  • Unknown

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University of Pretoria (UP)
Module
ZEN 161 (ZEN161)
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Number of pages
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2018/2019
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Summary

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  • zen161
  • eerste jaar
  • first year
  • notas
  • ekstra
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  • summaries
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Hoofstuk 34:
Protostome

Klades van Protostome

SPIRALIA
 Embrio’s ontwikkel deur spirale kliewing
 Meeste lewe in water
 Beweeg deur silia of sametrekking van liggaamspiere
 Twee klade:
Platyzoa
Mees prominente groep is platwurms
 Eenvoudige liggame
 Geen sirkulasie of respiratoriese stelsels
 Komplekse voortplantngstelsel
 Sluit mariene en varswater planariane en parasitese slakke en lintwurms

Lopohotrochozoa
Twee eiesnkappe defnieer lede van hierdie groep:
1. Trochophore: vrylewende larwe
2. Lophophore: perdeskoen- kroon van gesillieerde tentakels rondom die mond wat gebruik
word in fltervoeding




ECODYSOZOA
 Bevat diere wat vervel:
o Eksoskelet
 Harde eksterne skelet
 Twee groot groepe:
o Arthropods
o Nematodes
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