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Bio
Annelida
40
Biology
Undergraduate 1
03/17/2013

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Term
Annelida is what taxonomic category?
Definition
Phylum
Term
What are examples of Annelida
Definition
Earthworms and leeches
Term
How may the bodies of Annelida be described?
Definition
Segmented with repeating units.
Term
What kind of circulatory system does Annelida have?
Definition
closed circulatory system
Term
What are the classes of annelida?
Definition
Polychaeta, Oligochaeta and Hirudinea
Term
How may polychaeta be translated?
Definition
Many bristles
Term
What is the habitiat of polychaeta Annelida?
Definition
Marine
Term
Where do polychaeta Annelida live?
Definition
Some on the sea floor, others float among plankton
Term
Plankton
Definition
Drifting organisms
Term
How may Oligochaeta be translated?
Definition
Few bristles
Term
What are the features of Oligochaeta Annelida's nervous system?
Definition
A simple, brain-like ganglia and a ventral nerve cord.
Term
Nephridia
Definition
Organ that functions similar to kidneys
Term
What do Oligochaeta Annelida have in each segment?
Definition
Nephrida
Term
Oligochaeta are experts in what function?
Definition
Filtering.
Term
How may the digestive tract be described in Oligochaeta Annelida?
Definition
To extend the entire length of their bodies.
Term
True or false: Oligochaeta Annelida have one heart.
Definition
False: Oligochaeta Annelida have multiple hearts.
Term
Oligochaeta Annelida have multiples of which organs?
Definition
The heart and Nephridia
Term
How may Oligochaeta Annelida's reproductive system be described?
Definition
Hermaphrodites, but cross fertilize.
Term
What is the role of Oligochaeta Annelida's in the environment?
Definition
They decompose organic matter and contribute to soil aeration
Term
What is an example of a Hirudinea Annelida?
Definition
Leeches
Term
True or false: Hirudinea Annelida are parasitic
Definition
False: Free-living
Term
What kind of feeders are Hirudinea Annelida?
Definition
Carnivorous
Term
What do the blood-sucking leeches secrete?
Definition
Anesthetic and anti-coagulant.
Term
What do blood-sucking leeches prevent in their victims.
Definition
Blood clotting and feeling their presence through noticeable pain
Term
What has been done with the anti-coagulent of Hirudinea Annelida?
Definition
It has been genetically engineered to be used for humans.
Term
Which class of Annelida has many bristles?
Definition
Polychaeta
Term
Which class of Annelida are marine
Definition
Polychaeta
Term
Which class of Annelida live on the sea floor or float among plankton?
Definition
Polychaeta
Term
Which class has simple brain-like ganglia and ventral nerve cord?
Definition
Oligochaeta
Term
Which class has Nephridia in each segment?
Definition
Oligochaeta
Term
Which class has few bristles?
Definition
Oligochaeta
Term
Which class has a digestive tract that spans the entire length?
Definition
Oligochaeta
Term
Which class has multiple hearts?
Definition
Oligochaeta
Term
Which class are hermaphrodites that cross fertilize
Definition
Oligochaeta
Term
Which class decompose organic matter and add to soil aeration?
Definition
Oligochaeta
Term
Which class has the leech as an example?
Definition
Hirudinea
Term
Which class is free living?
Definition
Hirudinea
Term
Which class is carnivorous?
Definition
Hirudinea
Term
Which class has blood sucking leeches that secrete anesthetic and anti-coagulant?
Definition
Hirudinea
Term
Which class has leeches that produce anti-coagulant that has been genetically engineered for human use?
Definition
Hirudinea
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