Glencoe Biology

Chapter 27: Echinoderms and Invertebrate Chordates

Standardized Test Practice-English

1
Echinoderms are the first group of animals to have ____.
A)coeloms
B)endoskeletons
C)vascular tissue
D)protostomes
2
All adult echinoderms have ____ symmetry.
A)irregular
B)bilateral
C)radial
D)spherical
3
____ are small pincers that aid echinoderms in catching food and cleaning skin.
A)Pedicellariae
B)Ampulla
C)Madreporites
D)Larva
4
What evolutionary feature indicates the close relationship between echinoderms and chordates?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078695104/383949/gd.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"> (11.0K)</a>


A)ancestral protist
B)coeloms
C)vascular tissue
D)deuterostome development
5
What adaptive echinoderm feature can respond to touch, chemicals, and light?
A)exoskeleton
B)sensory neurons
C)coelom
D)pedicellariae
6
For what purpose do echinoderms use teethlike plates, tentacles, enzymes, and celia?
A)feeding and digestion
B)camouflage and reproduction
C)protection and combat
D)reproduction and combat
7
How do echinoderms' tube feet help maintain homeostasis?
A)prevent oxygen from entering body
B)all wastes pass out of tube feet
C)oxygen diffuses through membranes
D)release enzymes in feet
8
Which of these is not a primary feature of chordates?
A)notochord
B)dorsal tubular nerve cord
C)radial symmetry
D)pharyngeal pouches
9
The ____ is used for locomotion and located behind the anus.
A)dorsal tubular nerve cord
B)postanal tail
C)pharyngeal pouch
D)notochord
10
Which of these structures becomes the brain and spinal cord?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078695104/383949/gf.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"> (15.0K)</a>


A)ancestral thyroid gland
B)notochord
C)pharyngeal pouches
D)dorsal tubular nerve cord
11
The ____ shown here will develop to regulate metabolism and growth.

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078695104/383949/gg.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"> (71.0K)</a>


A)early thyroid gland
B)notochord
C)dorsal tubular nerve cord
D)pharyngeal slit
12
What is a key evolutionary feature providing the success of invertebrate chordates?
A)radial symmetry
B)notochord allowing tail to swing
C)sessile adaptations
D)tentacles with mucus
13
How are sea urchins beneficial to the ecosystem?
A)destroy kelp forests
B)prevent bioturbation
C)increase algae population
D)control algae population
14
Study the evolutionary development of these groups. How do echinoderms and chordates differ from mollusks?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078695104/383949/ge.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"> (11.0K)</a>


A)presence of vascular tissue
B)presence of body cavities
C)gastrula development
D)ancestral protist
15
What do the arrows indicate in this larval tunicate?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078695104/383949/gh.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"> (11.0K)</a>


A)water flow
B)food absorption
C)sensory neurons
D)enzyme release
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.