Biology: The Dynamics of Life, California Edition

Section 2: Body Plans and Adaptations

Body Plans and Adaptations

1.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078665809/181858/ch25_0_f.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (6.0K)</a>
Look at this animal. Which body structure describes this animal?
A)radial symmetry
B)diagonal symmetry
C)bilateral symmetry
D)asymmetry
2.
Which of these terms describe the head end of a bilaterally symmetrical animal?
A)dorsal
B)posterior
C)ventral
D)anterior
3.
The greatest diversity of species in the animal kingdom can be found among __________.
A)the protocoelomates
B)the coelomates
C)the pseudocoelomates
D)the acoelomates
4.
Which of these is a characteristic of segmented worms?
A)asymmetrical
B)has a backbone
C)complex internal organs
D)one-way digestive tract
5.
Which one of these animals is not classified in the same way as the other three?
A)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078665809/181858/ch25_0_b.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (4.0K)</a>
B)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078665809/181858/ch25_0_c.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (4.0K)</a>
C)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078665809/181858/ch25_0_d.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (5.0K)</a>
D)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078665809/181858/ch25_0_e.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (5.0K)</a>
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