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Biodiversity > Annelida > Flashcards

Annelida Flashcards

1
Q

What are the different classes?

A

Oligocheta, Polychaeta, hirudinea

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2
Q

What are the shared characteristics?

A 
LINEAR BODY
SEGEMENTED 
coelom divided by septa
Segments have ganglia
circular an longitudinal muscles 
closed system
digestive tract specialised
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3
Q

Describe the oligocheta

A

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

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4
Q

Describe the Polychaeta:

A

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

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5
Q

Describe the Hirudinea

A

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

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6
Q

What are Chaeta?

A

CHITINOUS BRISTLES ON WORMS IUSED FOR LOCOMOTION

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7
Q

What is metameric?

A

Segmentation in intervals along body

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Biodiversity (24 decks)

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