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Art Quiz
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Review the image(s) and answer the following questions.



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1

What is the first group to show bilateral symmetry?
A)sponges
B)cnidarians and ctenophorans
C)flatworms
D)roundworms
2

In what group did jointed appendages arise?
A)annelids
B)arthropods
C)mollusks
D)nematodes

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3

What major digestive innovation arises in the cnidarians?
A)a complete digestive tract
B)extracellular digestion of food
C)intracellular digestion of food
D)hunting prey items
4

What sort of symmetry is seen for the first time in the cnidarians?
A)radial symmetry
B)bilateral symmetry
C)ipsilateral symmetry
D)contralateral symmetry







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