How Can You Explain the Substantial Lag Between a Signal

question 23

Multiple Choice

How can you explain the substantial lag between a signal and response in the phylum Porifera?

• A)Lag occurs because sponges are asymmetrical.
• B)Lag occurs because sponges show no cephalization.
• C)Lag occurs because action potentials in cells of sponges are slow compared to action potentials in neurons.
• D)Lag occurs because the signal has to be very strong in order to see any response.

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