Question

what is one reason why organisms must evolve? to adapt to changing environments to go extinct first before any other species to achieve enlightenment

Explanation:

Evolution is a biological process. Organisms evolve to adapt to changing environments. This is a fundamental concept in biology. Going extinct first is the opposite of what evolution aims for. Achieving enlightenment is a concept from philosophy or religion and not related to the biological reason for evolution.

Answer:

to adapt to changing environments