The scientific question that leads to a testable hypothesis is whether the ancestors of modern whales walked on land, providing a basis for scientific investigation.
The scientific question that could lead to a testable hypothesis in this case is: Did the ancestors of modern whales walk on land?
This question is scientific because it can be answered through observation, experimentation, and testing, aligning with the scientific method principles.
Formulating a hypothesis and designing experiments to gather data on fossil records and comparative anatomy can provide evidence to support or refute the hypothesis.
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