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37 Cards in this Set
- Front
- Back
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Phylum Annelida means
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little ring
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Annelids are worms with ____ bodies. They have a true ____ that is lined with tissue derived from _____.
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segmented, coelom, mesoderm
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Annelids have complex ____ systems.
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organ
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Organs involved in feeding and digestion
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crop & gizzard
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closed circulatory system
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blood is contained within a network of blood vessels
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location of two major vessels
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dorsal and ventral
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respiration: aquatic annelids
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breathe through gills
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respiration: land-dwelling annelids
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take in oxygen and give off CO2 through their skin
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list the two kinds of wastes and organs involved
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digestive & cellular waste
nephridia |
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nephridia
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excretory organs that filter fluid in the coelem
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organs involved in the response system
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brain, nerve cords
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two major body muscles
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longitudinal muscles, circular muscles
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parapodia
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paddlelike appendages
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list types of reproduction
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external fertilization
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earthworms belong to which phylum?
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oligochaeta
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example of oligochaeta
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earthworms
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do oligochaeta have setae?
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yes, few
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do oligochaeta have parapodia?
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no
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environment of oligochaeta
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soil or fresh water
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feeding info of oligochaeta
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swallows just about anything it can get its mouth on
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what are castings?
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a form of squiggles in mud; ( earthworm feces )
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reproduction of oligochaeta?
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sexual
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leeches belong to which class?
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hirudinea
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an example of a hirudinea is
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leeches
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environment of hirudinea
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moist habitats in tropical countries
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feeding info of hirudinea
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snails, worms, insect larvae
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leeches are typically external _____ that suck the ____ and body fluids of their ___.
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parasites, blood, host
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other important facts about hirudinea
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have powerful suckers;
uses anesthetizes to keep host from knowing it has been bitten can reduce swelling |
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reproduction of hirudinea
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sexual
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sandworms and bloodworms are an example of what class?
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polychaetes
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What is an example of a polychaetes?
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sandworms and bloodworms
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do polychaetes have setae?
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yes
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do polychaetes have parapodia?
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no
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environment of polychaetes:
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cracking in coral reefs; sand, mud, rocks, water
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reproduction of polychaetes
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sexual
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crop
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where food can be stored
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gizzard
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where food is ground into smaller pieces
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