Final answer:
The conflict presented in 'Dark They Were, and Golden-Eyed' is Man vs. Environment, as the characters struggle to adapt to their new surroundings on Mars.
Step-by-step explanation:
The conflict presented in the short story 'Dark They Were, and Golden-Eyed' by Ray Bradbury is Man vs. Environment. In this story, the main characters are colonists who have traveled to Mars to escape the devastation on Earth. However, as they stay on Mars, they begin to physically and mentally transform, becoming part of the Martian environment. The conflict arises as they struggle to adapt to their new surroundings and maintain their sense of humanity.