Which of these are the youngest

Question

Crab claw
Turtle shell
Fish

Answer 1

Fish is the youngest among these options.

Answer 2

That was wrong.
Which of these are the youngest
Trilobite
Sea urchin
Turtle shell

Answer 3

The youngest among these options would be the turtle shell. Trilobites and sea urchins are ancient marine organisms that lived millions of years ago.

Answer 4

Which of these are the youngest
Coral
Fish
Worm Burrow

Answer 5

Fish is the youngest among these options. Coral and worm burrow are non-living structures or traces left behind by organisms, while fish are living creatures.