Which important event in earth’s history occurred during the jurassic period? 1. the first birds emerged on earth. 2. mammals were in search of food. 3. animals with shells emerged on earth 4. treelike ferns first began to grow and populate.

The first birds emerged on Earth is an important event in Earth’s history occurred during the Jurassic period.

Option 1

Explanation:

During the late Jurassic Period, the first bird is known to have taken flight in the sky. The Jurassic period was dominated by dinosaurs. The dinosaurs of this period were of different types. They were herbivores as well as carnivores.

The dinosaurs could live on land as well as fly in the air. The earliest bird called Archaeopteryx is said to have evolved from dinosaurs and had to compete for airspace because of the presence of flying dinosaurs.

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explanation: