Question

The Cretaceous extinction is famous for dinosaur extinction and is significant because it:

Options

• Changed the future course of animal evolution

• Cleared ecological space for the first land plants

• Caused large species loss only in ancient marine life forms

• Was the earliest major extinction event in Earth's history

Answer 1

The Cretaceous extinction is famous for dinosaur extinction and changed the future course of animal evolution. After the dinosaurs disappeared, the surviving groups adapted and expanded, reshaping the future of animal life on Earth.