Science, Nature & the Living World

How to test this connection

Separate membership from mechanism: animal names form a set, while body parts describe a system. Check any scientific detail against a reference instead of treating a familiar-sounding phrase as proof.

A common wrong turn

A broader category may be needed when the final clue is not the same kind of object as the first two. Also avoid claiming that a clue identifies only one possible scientific object.

A worked comparison

In #861, crust and mantle suggest layers. Tectonic plates and magnetic poles broaden the answer to parts or features of Earth; neither is simply another internal layer.