What is the acronym used to recall the main factors that can lead to premature extinction of a species? 

A)  ZIPO 
B)  HODOR 
C)  HIPPCO 
D)  SOSWL

HIPPCO

An acronym for Habitat Destruction, Invasive Species, Population, Pollution, Climate Change, and Overfishing, enumerating the primary factors contributing to biodiversity loss.

Premature Extinction

The early disappearance of a species from Earth, often caused by human activities.

Acronym

An abbreviation formed from the initial letters of other words and pronounced as a word.