Puzzle 1

Conch is a shellfish with a large __ shell

Pushes roughly

Joke-teller's professional field

What a philatelist collects

Kiefer Sutherland's famous actor father

Given to political refugees

Pearl-producing animal can change genders

Except under certain circumstances

Main raw material grown in a region

Ear, nose and __ doctor, or ENT

Bundles of axons, part of body's sensory system

Codified the three laws of robotics

The __ Witch of the West, Oz antagonist

To help, or a goal-scoring pass in soccer/football