If Continuing Analyses Confirm That Ctenophores Are the Sister Group

question 85

Multiple Choice

If continuing analyses confirm that ctenophores are the sister group to sponges plus eumetazoans, which of the following conclusions would be supported?

• A)Nervous systems evolved convergently in ctenophores and eumetazoans.
• B)Flow-through guts evolved convergently in eumetazoans.
• C)Nematocysts evolved convergently in ctenophores and eumetazoans.
• D)Sexual reproduction evolved convergently in ctenophores and eumetazoans.

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