Impact Consequences Flashcards
Q: What were the immediate effects of the Chicxulub impact?
A:
Massive tsunamis, evidenced by rock deposits.
A shock wave that caused global firestorms.
Superheated atmospheric debris, raising temperatures and killing exposed animals.
Q: Which animals likely survived the heat pulse caused by the impact?
A:
Animals that could shelter in water, like turtles, crocodiles, and champsosaurs.
Burrowing animals, including small birds, mammals, and snakes.
Q: What were the long-term effects of the impact on Earth?
A:
A “nuclear winter” with reduced sunlight lasting up to 10 years.
Global cooling and freezing temperatures.
Disrupted ocean circulation, affecting marine ecosystems.
Collapse of the food chain due to halted photosynthesis.