annelids Flashcards
1
Q
into which groups are annelids divided
A
polychaetes, oligochaetes, leeches
2
Q
which group of annelids is mostly marine
A
leeches
3
Q
what species of leeches is used in medicine
A
medicinal leeches
4
Q
what is hindurin
A
substance that prevents blood clotting
5
Q
what is hydroskeleton
A
structure where water or fluid is kept under constant pressure
6
Q
name one freshwater species from the group of oligochaetes that live in colonies
A
tubifex
7
Q
what effects do substances secreted by medicinal leeches have
A
anti-inflammatory, antibacterial, analgesic
8
Q
what is clitellum and what is its purpose
A
belt in the front part of the body, it produces slime
