The age of amphibians is estimated to have ranged from 2.5 to 10 million years.

When did the first humans appear?

The first humans appeared about 4.5 million years ago.

What is the longest part of Earth’s history which covers 88% of the earth’s history?

The longest part of Earth’s history which covers 88% of the earth’s history is the time from the Paleozoic to the Mesozoic eras.

When was the first mammal?

The first mammal was a small, early mammalian theropod that lived in the Jurassic period.

In which era did the amphibians develop on the earth?

The amphibians developed on the earth during the Jurassic period.

What was alive 400 million years ago?

The first life on Earth was probably a small, single-celled organism called an eukaryote. It probably didn’t have a brain or a nervous system, and probably couldn’t move or eat.

What era was 500000 years ago?

The era of the dinosaurs is one of the most famous eras in the history of the world.

What lived on Earth 20 million years ago?

The dinosaurs roamed the Earth during the Paleozoic era.

What was the first primate?

The first primate was a chimpanzee.

In what geological era was the Age of Reptiles?

The Age of Reptiles is the last of the four ages.

How did amphibians evolve from reptiles?

The first amphibians were reptiles that evolved from amphibians that evolved from fish.

Did Amniotes evolve from amphibians?

There is no definitive answer to this question as there are many theories on the matter. Some experts believe that Amniotes may have evolved from amphibians, while others believe that it may have evolved from a combination of amphibians and reptiles. Ultimately, the answer to this question is unknown.

How did the Age of mammals begin?

The Age of Mammals began about 10 million years ago. Mammals are the animals that have a backbone and a skull.

What time period is 7 million years ago?

The time period that 7 million years ago is in is the Jurassic period.

When was the age of mammals fishes and reptiles?

The age of mammals fishes and reptiles is unknown.

How long ago did amphibians evolve?

The first amphibians evolved about 50 million years ago.

What era was the age of the mammals?

The age of the mammals was the Cenozoic Era.

Is Amphibia season 3 the last season?

There is no definitive answer to this question as it is dependent on a number of factors, including the popularity of the show and how long it will last. However, it is generally agreed that Amphibia season 3 is the last season, with many fans anticipating that the show will end in 2019.

When did the Age of Reptiles begin?

The Age of Reptiles began about 65 million years ago.

How long was the Age of Reptiles?

The Age of Reptiles lasted for around 190 million years.

What era was the age of fishes?

The era of fishes was from the Cretaceous period.

Are amphibians older than reptiles?

There is no definitive answer to this question as research on amphibians and reptiles has been ongoing for many years. Some scientists believe that amphibians may be older than reptiles, while others believe that the two groups are equivalent. Ultimately, the answer to this question is unknown.

What era was the age of amphibians?

The era of amphibians was during the Cretaceous period.

Why is this the age of amphibians?

The age of amphibians is changing because of human activity. Amphibians are able to move on land because they have a four-chamber stomach that takes in water and food. Humans have destroyed many of the amphibian populations, so they are unable to survive on land.

How long ago did the amphibians flourish?

The amphibians flourished about 10 million years ago.

How many millions of years ago Mya did amphibians evolve?

Mya did amphibians evolve about 5.8 million years ago.

Who were the ancestors of mammals?

The ancestors of mammals are the great apes.

What did amphibians develop that made them more advanced than their ancestors?

Some amphibians have a backbone, which gives them the ability to stand on two legs.

Which of the following era is also known as age of angiosperms?

The era of angiosperms is also known as the age of plants.

How long ago did amphibians live?

The amphibians that live today were once very common. They were first discovered in China about 350 million years ago.

What was the first animal on Earth?

The first animal on Earth was a land animal, which was a plant with two legs.