Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Q: The amniotic egg first evolved in reptiles.

A: The amniotic egg first evolved in what species?
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Q: A covalent network solid is a compound in which all of the atoms are connected to one another by covalent bonds.

A: What is a compound in which all of the atoms are connected to one another by covalent bonds?
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Q: Cranium (skull) is the term for the skeletal structure of the head that supports the face and protects the brain.

A:
What is the term for the skeletal structure of the head that supports the face and protects the brain?
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