ANNELIDA Flashcards
The class of annelida with trocophore larva is
Polychatae
The most diverse class of annelida is
Polychatae
Oligochaeta and and Hirudinea lack
Parapodia
Setae are absent in
Hirudinea
Oligochatae and Hirudinea secrete cocoon in
Clitellum
There are ….. segments in hirudinea
34
Oligochaeta have…. bristles per segemnt
8
Which class of annelida consists of mainly marine species
Polychatea
Annelida are triploblastic coelomates T/F
True
Reproduction in polychata can be sexual or asexual involving
Trocophore larva, epitokes
Epitokes are considered products of
Incomplete budding
Polychatae have a distinct head consisting of
Antenna sensory palps and feeding appendages
Annelida have jointed appendages T/F
True
The morphology of annelids is based on
No and location of GT and TP
Bispira bunnea is an example of
Polychatea
Which class of annelida had organism with medicinal benefits
Hirudinea
Parapodia and setae are both absent in
Hirudinea
The nerve cord in annelids is
Ventral
Tube dwellers of polychata burrow into soil to secrete
Mucus, CaCO3
Circular muscle is for…., Longitudinal muscle is for……
Contraction, elongation
Annelids are internally segmented by…. And externally by…..
Septum, transverse grooves
The respiratory system of annelids consists of
Skin gills
