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Roundworms
nematoda notes
7
Biology
7th Grade
04/23/2012
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Term
What are 4 examples?
 Definition
1. heartworm
2. hookworm
3. ascarids
4. filarial worms
Term
what type of symmetry?
 Definition
bilateral
Term
They have a simple brain. What is it made of?
 Definition
a ring of ganglia
Term
do they have a coelom?
 Definition
sort of. they have a pseudocoelom which is a partially covered body cavity
Term
how many body openings?
 Definition
2 (complete digestive tract)
Term
how do they reproduce?
 Definition
sexually: internal fertilization
Term
parasites?
 Definition
almost all
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