| General Characteristics | Group Characteristics | Polychaete characteristics | Oligochaeta Characteristics | Hirudinea Characteristics |
|---|---|---|---|---|
|
What is the outer integument?
respiratory system composed of
|
What is Polychaeta?
have many bristles
|
What is gonochoristic?
type of reproduction
|
What is the clitellum?
secretes cocoon for embryos
|
What is zero?
number of body septa
|
|
What are septa?
divide body segments
|
What is Oligochaeta?
have few bristles
|
What are parapodia?
flattened outgrowths of body wall
|
What is zero?
the number of parapodia
|
What are the anterior and posterior suckers?
use these for locomotion
|
|
What is closed?
type of circulatory system
|
What is Oligochaeta?
hermaphroditic group
|
What is one pair?
minimum number of tentacles
|
What is zero?
minimum number of tentacles
|
What is 25%?
%age that are carnivorous
|
|
What is the typhlosole?
increased surface area in intestine
|
What is an epitoke?
sexually mature individual capable of swimming and reproducing
|
What are mobile (errant) species?
use parapodia to crawl or swim; usually carnivorous
|
What is the crop?
extension of esophagus for storage
|
What is no known method?
method of asexual reproduction
|
|
What is metamerism?
Body segments in which organs repeat per segment.
|
What is an atoke?
mature worm that does not reproduce, but produces those that do
|
What are burrowing species?
parapodia absent, reduced, or modified; suspension or deposit feeders
|
What is the gizzard?
used for grinding food
|
What is secrete anticoagulant and anaesthetic?
way for parasitic species to continue feeding on same host
|
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