Question

scarce due to environmental changes, individuals with genetic variations that allow them to utilize an alternative food source may have a better chance of survival and reproduction. over time, these advantageous traits can become more common in the population through natural selection, leading to evolutionary adaptations. what is one reason why organisms must evolve? to adapt to changing environments to achieve enlightenment to go extinct first before any other species

Explanation:

The text mentions environmental changes and how organisms with beneficial genetic variations for alternative food - sources survive and reproduce better through natural selection, indicating adaptation to changing environments as a reason for evolution.

Answer:

to adapt to changing environments