Sense Sonnet - Chiller

Protozoa

Protozoa have been around
Since beginning of time on Earth.
One celled life form that does abound,
Absorbing all that has food worth.
Most are microscopic in size,
Surrounding victims in membrane,
Even each other - a surprise?
No - since none of them have a brain.
But humans have been doing stuff
Affecting all - even one cell.
When will nature have had enough?
Will small get bigger? Who can tell?

I am just swimming in the sea.
Some sort of blob grabs hold of me...