Sense Sonnet - Pumper

 Immortal Jellyfish

The immortal jellyfish are

A biological fact that

Has been proven, though quite bizarre,

Living in the sea habitat.

Jellyfish start in polyp form,

Attached, but then mature to age,

Breaking off in free swimming norm,

And continue life in this stage.

But if exposed to enough stress

From inside or outside attack,

Its age process reverses, yes,

And to young polyp form goes back.

This biological fact is

Studied by humans in age biz.