Class notes
Les Plathelminthes
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Some examples from this set of practice questions
1.
Que forme le mésoderme ?
Answer: Le parenchyme, tissus de remplissage entre ectoderme et endoderme
2.
Comment appelle t-on un animal ayant une chaine nerveuse ventrale ?
Answer: Un hyponeurien
3.
Quelles sont les couches musculaires des plathelminthes ?
Answer: Circulaire, longitudinale et oblique. Il y a aussi les réseaux dorso-ventraux.
4.
Le corps des plathelminthes est-il segmenté ?
Answer: Non
5.
Qu'est-ce qui permet la maturation de l'ovocyte ?
Answer: Les glandes vitellogènes
6.
Quel est le nom des structures de l'appareil excréteur des plathelminthes ?
Answer: Les protonéphridies
7.
Grâce à quoi les Turbellariés se déplacent ?
Answer: Aux cils formant des tourbillons d'eau.
8.
De quoi est composé le système nerveux des Turbellariés ?
Answer: De deux ganglions cérébroïdes et de deux cordons nerveux longitudinaux ramifiés.
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