Zoo Lab Annelida


Phylum Annelida has how many classes and what are they?


3, Class Polychaeta, Class Oligochaeta, class Hirudinea


Class _______ are earth worms.
Class _______ are marine worms.


Oligochaeta, Polychaeta


class _____ are leeches


Hirudinea


Class Polychaeta
Nereis Virens
______ is the head.
______ is the lobe that convers the mouth.
______ chemoreceptors.


PeristomiumProstomiumPalps


Class Polychaeta
Nereis Virens
What are the 2 types of tentacles and what are there functions?
How many eyes do they have and what is there function?


Prostiomial (sensory) & Peristomial (canoreception(touching)) tentacles.4, photoreception


Class Polychaeta
Nereis Virens
What are parapodia used for?


locomotion


Class Oligochaeta
Lumbricus terrestris
Periostium is _____
Clitellum aids in _________.
The Pygidium is the ________.
The anus is on the ______.


anterior endreproduction (near anterior end)last segmentpygidium


Class Oligochaeta
Lumbricus terrestris
what is the gizzard for?
What connects vessels in the circulatory sys?
The nervous sys contains _______.


grindingaortic archesbrain & ventral nerve cord


Class Oligochaeta
Lumbricus terrestris
Circular muscles make the body ____
Longitudinal muscles make the body _______.
What seperate cavities?


skinniershortersepta


Class Oligochaeta
Lumbricus terrestris
what is the outter & inner most body wall layers?
whats the cavity called?


cuticle, parietal peritoneumcoelom


Class Oligochaeta
Lumbricus terrestris
_____ is the kidneys.


nephridia