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Flashcards in Annelida Deck (7)
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1

What are the different classes?

Oligocheta, Polychaeta, hirudinea

2

What are the shared characteristics?

LINEAR BODY
SEGEMENTED
coelom divided by septa
Segments have ganglia
circular an longitudinal muscles
closed system
digestive tract specialised

3

Describe the oligocheta

Earthworms , 3500sp, terretrial and freshwater, segmented worms, get nutrients from soil as it passes through coelom

4

Describe the Polychaeta:

segmented worms, developed head and feet, free living , parapodia are feet

5

Describe the Hirudinea

Leeches, flattened body lack chaeta, suckers at anterior and posterioo

6

What are Chaeta?

CHITINOUS BRISTLES ON WORMS IUSED FOR LOCOMOTION

7

What is metameric?

Segmentation in intervals along body