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13 Cards in this Set
- Front
- Back
Annelida means..... and refers to the 3 classes if segmented worms |
Little rings |
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Earthworms , beautiful marine worms and .... belong to the phylum annelida |
Leeches |
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Outside each segment are bristle - like structures called |
Satave |
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The crop stores the dirt as it's is passed into the ... which grinds it |
Gizzard |
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Five ... pump worms down the sides smaller vessels go to each segment |
Aorticiarches |
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Worms have closed ... it's blood us pumped through veins |
Circulatory system |
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Earthworms are ... with male and female organs but they need a partner |
Hermaphrodite |
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Leeches are ... blood sucking, worms what don't have setae |
Segmented |
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Leeches suck two ten times their ... before saying goodnight |
Body weight |
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Leeches are now used during miscosurgey to keep the blood flowing and prevent |
Coagulating |
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Leeches produce an ... chemical in their saliva to keep the bidding flowing |
Antcoogula |
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....have setae that are bundled up and often beautiful |
Male worms |
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Scientist think ....and worms are related , they are first critters to have organs |
Mollusks |