The Trick to Not Freezing During Hibernation

What is the primary method by which some animals survive cold temperatures during winter?

• By migrating to warmer areas

• By staying active to generate body heat

• By hibernating and lowering their metabolism

• By growing thicker fur

What did the Yale biologists discover about the TRMP8 protein in hibernating animals?

• It is more sensitive to heat in hibernating animals

• It is more abundant in hibernating animals

• It is completely absent in hibernating animals

• It is less sensitive to cold in hibernating animals

What was the estimated height and weight of the newly discovered ancient penguin species?

• 1.5 meters tall and 80 kilograms

• 1.2 meters tall and 60 kilograms

• 1.77 meters tall and 100 kilograms

• 2 meters tall and 120 kilograms

What event is believed to have created an opportunity for the evolution of giant penguins?

• The rise of marine mammals

• The mass extinction that killed the dinosaurs

• The formation of Antarctica

• The Ice Age

Why might giant penguins have disappeared from Earth?

• Due to a lack of food sources

• Due to climate change

• Because of competition with marine mammals like whales and seals

• Because they evolved to fly