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Characteristics and Classification of Annelids: An In-depth Look at Segmented Worms, Quizzes of Zoology

Essential information about annelids, a large phylum of worms characterized by segmentation and a coelom. Learn about the three classes of annelids - polychaeta, oligochaeta, and hirudinomorpha - and their habitats, metamerism, the contents of each segment, and the importance of segmentation. Discover the basic organization of annelids and what parapodia are.

Typology: Quizzes

2009/2010

Uploaded on 10/08/2010

aj-216-89
aj-216-89 🇺🇸

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TERM 1
characteristics of
Annelids
DEFINITION 1
12,00 species Marine, freshwater, and terrestrial speices
coelomate-euceolomate bilateral symetry
TERM 2
What are the 3 classes of Annelids and their
habitats
DEFINITION 2
Polychaeta- marine family Oligochaeta-freshwater, marine
terrestrial Hirudinomorpha-freshwater, marine, terrestrial
TERM 3
metamerism
DEFINITION 3
having repeated segments
TERM 4
what does each segment of annelids contain?
DEFINITION 4
coelom musculature nervous system circulatory system
excretory system
TERM 5
why is segmentation
important?
DEFINITION 5
segmentation provides framework for regional specialization
because each segment is thought to be related
independently of other segments segmantation helps to
reduce the effect of predation segmentation is adaption for
more efficient burrowing
pf2

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TERM 1

characteristics of

Annelids

DEFINITION 1 12,00 species Marine, freshwater, and terrestrial speices coelomate-euceolomate bilateral symetry TERM 2

What are the 3 classes of Annelids and their

habitats

DEFINITION 2 Polychaeta- marine family Oligochaeta-freshwater, marine terrestrial Hirudinomorpha-freshwater, marine, terrestrial TERM 3

metamerism

DEFINITION 3 having repeated segments TERM 4

what does each segment of annelids contain?

DEFINITION 4 coelom musculature nervous system circulatory system excretory system TERM 5

why is segmentation

important?

DEFINITION 5 segmentation provides framework for regional specialization because each segment is thought to be related independently of other segments segmantation helps to reduce the effect of predation segmentation is adaption for more efficient burrowing

TERM 6

what is the basic organization in

Annelids

DEFINITION 6 septa break annelids into segments Messentaries vertically line the digestive tract TERM 7

what is a Parapodia

DEFINITION 7 lateral outgrowths of segments bearing chaete increase respiration and surface area help increase respiration and surface area