Time Periods

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Across
  1. 2. The 'Age of Dinosaurs,' marked by the dominance of these reptiles and the first appearance of birds.
  2. 3. An ancient time of remarkable evolution when early life forms diversified and marine environments teemed with life.
  3. 5. The period known for the emergence of early dinosaurs and the first mammals.
  4. 6. The geological era that includes the time when mammals became the dominant land animals and the rise of humans.
Down
  1. 1. The time of colossal reptiles, where dinosaurs roamed and ruled.
  2. 3. The time that concluded the Paleozoic Era, known for early reptile evolution and the largest mass extinction in Earth's history.
  3. 4. The period in which some of the largest dinosaurs thrived, and modern mammals began to evolve.