Which of the Following Would Be an Example of Convergent

question 30

Multiple Choice

Which of the following would be an example of convergent evolution?

• A) Neurons, synapses, and nerve nets emerged independently in the ctenophores (comb jellies) and in the eumetazoan lineage leading to bilaterians and cnidarians.
• B) Neurons, synapses, and nerve nets emerged in the common ancestor of ctenophores (comb jellies), bilaterians, and cnidarians but were lost in the poriferans (sponges).
• C) The centralization of neurons into brains and nerve cords occurred before the divergence of protostomes and deuterostomes.
• D) All modern vertebrates feature a notochord inherited from a common chordate ancestor.
• E) All of the above

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