TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Resonance is the term for the use of two or more lewis structures to represent the covalent bonding in a molecule.

SOLUTION: What is the term for the use of two or more lewis structures to represent the covalent bonding in a molecule?

PROBLEM: Cranium (skull) is the term for the skeletal structure of the head that supports the face and protects the brain.

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

PROBLEM: You call an animal in which the embryo, often termed a joey, is born immature and must complete its development outside the mother's body a(n) marsupial.

SOLUTION:
What do you call an animal in which the embryo, often termed a joey, is born immature and must complete its development outside the mother's body?