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15.6-15.7 Worms

Biology Chapter 15
Across
Separates each segment of an annelids body
Members of this phylum are roundworms or nematodes
The posterior opening that permits egestion indigestible materials (waste)
A barrel shaped swelling usually covering segments 32 through 37
Largest parasitic round worm
Down
Tiny bristles, four pair to each segments, that can be retracted into the worms body
To extract metabolic wastes, the worm has a pair of tube like (blank)
Major structure of the earthworms nervous system
Divided into rings or segments
The food laden soil is passes down the esophagus to the crop where it is stored in the (blank)