Glencoe Biology

Section 2: Roundworms and Rotifers

Self-Check Quizzes

1
A disease called ____ can be contracted by injesting a type of roundworm.
A)hermaphrodites
B)scolex
C)proglottids
D)trichinosis
2
What is a primary evolutionary feature of roundworms?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078802849/383950/fp.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (12.0K)</a>
A)are more closely related to rotifers than arthropods
B)have coeloms
C)do not have bilateral symmetry
D)have no ancestral protist
3
What is a key evolutionary adaptation of a roundworm's digestive system?
A)a pseudocoelom
B)a coelom
C)formation of proglottids
D)radula
4
The disease caused by parasitic filarial worms is called ____.
A)hermaphrodites
B)trichinosis
C)ascariais
D)elephantiasis
5
What are two functions of the pseudocoelom in roundworms?
A)assists in movment and light detection
B)provides a digestive tract and assists in movement
C)allows gas exchange and reproduction
D)allows chemical detection and gas exchange
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe