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Jugar Test
1. 
Principally marine
A.
Polychaetes
B.
Oligochaetes
C.
Hirudinea
2. 
They form little piles of sand on beaches and some are used as fishing bait
A.
Polychaetes
B.
Oligochaetes
C.
Hirudinea
3. 
Sand worms and tubeworms
A.
Polychaetes
B.
Oligochaetes
C.
Hirudinea
4. 
Each segement has outer prolongations with setae, a very developed head and separated sexual organs
A.
Polychaetes
B.
Oligochaetes
C.
Hirudinea
5. 
They can live on land or in fresh water
A.
Polychaetes
B.
Oligochaetes
C.
Hirudinea
6. 
They have few setae, no differenciated head.
A.
Polychaetes
B.
Oligochaetes
C.
Hirudinea
7. 
They are hermaphrodite
A.
Polychaetes
B.
Oligochaetes
C.
Hirudinea
8. 
The earthworm feeds in the organic particles in the soil. It passes large amounts of earth through its digestive tube
A.
Polychaetes
B.
Oligochaetes
C.
Hirudinea
9. 
They can live on land, or in fresh or salty water.
A.
Polychaetes
B.
Oligochaetes
C.
Hirudinea
10. 
They have an independent life, but sometimes become ectoparasites
A.
Polychaetes
B.
Oligochaetes
C.
Hirudinea
11. 
They do not have any setae and are hermaphrodite
A.
Polychaetes
B.
Oligochaetes
C.
Hirudinea
12. 
Leeches live in fresh water. Their prominent suckers stick to the skin and feed on the blood of their prey
A.
Polychaetes
B.
Oligochaetes
C.
Hirudinea