Phylum Annelida Flashcards Preview

Animal Diversity - year 2 > Phylum Annelida > Flashcards

Flashcards in Phylum Annelida Deck (6)
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1
Q

what are annelids?

A

segmented worms

2
Q

what are the 2 classes within annelids?

A

1) class Polychaeta

2) class clitellata

3
Q

what is 2 feature of polychaetes?

A
  • fleshy projections on the body wall - parapodia

- setae

4
Q

what are the 2 subclasses of clitellata?

A

1) hirudinea - leeches

2) oligochaeta - earthworms

5
Q

2 features of leeches?

A
  • have no parapodia or setae

- end segments modified to form suckers used for feeding a locomotion

6
Q

3 features of oligochaetes?

A

1) head not well developed
2) fewer setae and no parapodia
3) less diverse than polychaetes