One feature of amphibians is having a nictitating membrane.
What is the purpose of a nictitating membrane in amphibians?
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Chordates concept. You can view video lessons to learn Chordates. Or if you need more Chordates practice, you can also practice Chordates practice problems.