Question

How do mammals such as penguins manage to retain body heat despite the frigid temperatures?

Answer 1

They huddle up and create body heat, keeping the eggs warm and not dying out. I'm going TOO deep in detail.

Answer 2

They have a large layer of fat, called blubber, that serves as insulation to protect them from the cold temperatures. They also develop huddling patterns to keep one another warm.

Step-by-step explanation: