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Overzicht definities & uitgangen die aan bod kwamen in de hoorcolleges van biologie van de ongewervelde dieren 1

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Dit is een klein overzichtje van de belangrijkste begrippen en uitgangen die aan bod komen in het vak.

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Definities/uitgangen

Inhoudsopgave

Definities........................................................................................................................................................ 3
SYSTEMATIEK................................................................................................................................................. 3
Systematiek ........................................................................................................................................................ 3
Taxon.................................................................................................................................................................. 3
Classificatie ........................................................................................................................................................ 3
Nomenclatuur .................................................................................................................................................... 3
Fenetische systematiek ...................................................................................................................................... 3
Fylogenetische systematiek................................................................................................................................ 3
Plesiomorfie ....................................................................................................................................................... 3
Apomorfie .......................................................................................................................................................... 3
Autapomorfiën ................................................................................................................................................... 3
Synapomorfie ..................................................................................................................................................... 3
Monofyletisch taxon........................................................................................................................................... 3
Homologie .......................................................................................................................................................... 3
Analoog .............................................................................................................................................................. 3
Homoplasie ........................................................................................................................................................ 3
Polyfyletisch taxon ............................................................................................................................................. 3
Parafyletische taxa ............................................................................................................................................. 3
EMBRIOLOGIE................................................................................................................................................ 3
Ectoderm ............................................................................................................................................................ 3
Animale pool ...................................................................................................................................................... 3
Vegetatieve pool ................................................................................................................................................ 3
Dexiotroop.......................................................................................................................................................... 3
Leiotroop ............................................................................................................................................................ 3
Gastrulatie ......................................................................................................................................................... 3
Blastoporus ........................................................................................................................................................ 3
Archenteron ....................................................................................................................................................... 3
Alecith ................................................................................................................................................................ 3
Prolifereren ........................................................................................................................................................ 3
Multipolaire........................................................................................................................................................ 3
Unipolair............................................................................................................................................................. 3
PORIFERA....................................................................................................................................................... 4
Kloppende vacuole ............................................................................................................................................. 4

, Hermafrodiet ...................................................................................................................................................... 4
Gonochoristen .................................................................................................................................................... 4
CNIDARIA ....................................................................................................................................................... 4
Epidermis............................................................................................................................................................ 4
Gastroderm ........................................................................................................................................................ 4
Gastrovasculaire holte ....................................................................................................................................... 4
Epibentisch ......................................................................................................................................................... 4
Epifytisch ............................................................................................................................................................ 4
Plankton ............................................................................................................................................................. 4
Nekton ................................................................................................................................................................ 4
Meofauna ........................................................................................................................................................... 4
BILATERIA ............................................................................................... Fout! Bladwijzer niet gedefinieerd.

Uitgangen ...................................................................................................................................................... 5
Blast ................................................................................................................................................................... 5
Bentos ................................................................................................................................................................ 5
Dermis ................................................................................................................................................................ 5
Ecto .................................................................................................................................................................... 5
Endo ................................................................................................................................................................... 5
Epi ...................................................................................................................................................................... 5
Holos .................................................................................................................................................................. 5
Hypo ................................................................................................................................................................... 5
Interstitieel ......................................................................................................................................................... 5
Iso ....................................................................................................................................................................... 5
Lopho.................................................................................................................................................................. 5
Meso .................................................................................................................................................................. 5
Meta ................................................................................................................................................................... 5
Oligo ................................................................................................................................................................... 5
Peri ..................................................................................................................................................................... 5
Poly..................................................................................................................................................................... 5
Porus .................................................................................................................................................................. 5
Proto................................................................................................................................................................... 5
Pyle ..................................................................................................................................................................... 5
Sinus ................................................................................................................................................................... 5
Stoom ................................................................................................................................................................. 5
Thropho .............................................................................................................................................................. 5
Vicero ................................................................................................................................................................. 5

, Definities
SYSTEMATIEK
Systematiek = ordenen van organismen volgens bepaalde criteria
Taxon = groep organismen die in de systematiek wordt erkend en die een naam heeft
Classificatie = overzicht van de taxa die in de systematiek worden erkend
Nomenclatuur = reglementering die het toekennen van namen regelt
Fenetische systematiek = gebaseerd op mate v gelijkenis
Fylogenetische systematiek = gemeenschappelijke voorouder
Plesiomorfie = alles wat ze geerfd hebben
Apomorfie = kenm waarmee ze verschillen vd voorouders
Autapomorfiën = kenm uniek bij taxon als het het laagste analyseniveau is vr dat kenm
Synapomorfie = ze hebben het omdat het ontstaan is uit de meest recente voorouder
Monofyletisch taxon = taxon dat alle nakomelingen bevat ve gem. voorouder
Homologie = hetzelfde orgaan in verschillende dieren in elke variatie van vorm en functie
Analoog = niet vd zelfde voorouder
Homoplasie = ik denk dat het homoloog is (remane), maar men Fylogenetische analyse zegt
van niet
Polyfyletisch taxon = Samengesteld uit versch. takken (convergenties/parralellisme)




Parafyletische taxa = delen synapomorfiën id groep niet (overblijvende groep dr ontbreken v
synapomorfie)




EMBRIOLOGIE
Ectoderm= laag waar later het epidermis gaat gevormd w
Animale pool = kant vd kern (AP)
Vegetatieve pool = kant vd dooier (VP)
Dexiotroop = naar rechts gericht
Leiotroop = naar links gericht
Gastrulatie = proces v op plaats brengen v endoderm
Blastoporus = opening
Archenteron = rest vd holte
Alecith = zonder dooier (lecith = met dooier)
Prolifereren= heel sterk delen
Multipolaire = heel epitheel deelt
Unipolair = een stukje vh het epitheel deelt

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