During the K-Pg mass extinction event, soot and ash were thrown into the atmosphere, darkening the sky for months. Some mammals were able to survive and proliferate. Which factor contributed to this success?(1 point)

Question

Responses

There were new predators because the dinosaurs were instantly killed.
There were new predators because the dinosaurs were instantly killed.

The ability to regulate their body temperatures in the face of reduced sunlight and colder temperatures.
The ability to regulate their body temperatures in the face of reduced sunlight and colder temperatures.

Many mammals developed the ability to fly, allowing them to escape the impact site.
Many mammals developed the ability to fly, allowing them to escape the impact site.

A decrease in oceanic and lake habitat, leading to marine mammal evolution.

Answer 1

The factor that contributed to the success of some mammals during the K-Pg mass extinction event is:

The ability to regulate their body temperatures in the face of reduced sunlight and colder temperatures.

This ability allowed mammals to survive in the challenging environmental conditions that followed the extinction event, as they could maintain their body heat despite the cooler temperatures resulting from the darkened sky.