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The first organisms that appear in Earth's history according to scientists were thermophilic. This meant that the organisms were able to handle the hottest temperatures that were present.

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The vertebrate jaw first appeared in?

The vertebrate jaw first appeared in early jawless fishes, such as the now-extinct Placodermi, around 450 million years ago during the Ordovician period. This evolutionary development allowed for more efficient feeding and contributed to the success of jawed vertebrates.


Who was the first person to whistle?

The first person to whistle is unknown, as whistling likely predates recorded history. Whistling is a natural form of communication and expression that has been observed in various cultures throughout history.


What continent did human first appear?

Human life first appeared in Africa and then proceeded to migrate to other continents.


When did the first vertebrate appear?

vertebrates evolved from micro-organisms many millions of years ago...Another point of view:This actually depends upon your personal view. For the Christian, the story of creation as it appears in the book of Genesis clearly indicates that the first vertebrates appeared on the fifth day of creation, when God created birds, fish and other sea creatures.Oldest known vertebrateA five-centimetre fossil, known as the Ediacara Chordate and uncovered in South Australia is believed to be the oldest vertebrate ever found. The fossil looks like an elongated tadpole and is believed to be at least 560 million years old.


When may homo sapiens have first appeared in Africa?

Homo sapiens, the modern human species, is believed to have first appeared in Africa around 300,000 years ago based on archaeological and genetic evidence. This early population eventually spread out of Africa to colonize the rest of the world.

Related Questions

When did Multicellular organisms first appeared?

Multicellular organisms first appeared during the Vendian period.


What is two things the geologic time scale records in earths history?

First organisms formed, pangaea came together, homo sapiens lived. There are lots of good images on google.


In what geological era did the first organisms arise?

The first organism appeared during the Proterozoic period. It is estimated that the first organism appeared between 2.5 and 3.8 billion years ago.


What organisms first appeared in the Devonian period?

The Devonian Period is sometimes referred to as the age of the fish. Forests and the coiled shell-bearing marine organisms known as ammonites first appeared early in the Devonian.


When did the first multicellular organism appear?

Multicellular organisms first appeared during the Vendian period.


What do scientists think was the of the oxygen in earths atmosphere?

It came from primitive organisms early in earth's history. They were the first organisms to use photosynthesis to make food, by using light to convert Carbon dioxide and water into glucose (food) and oxygen. Since oxygen is a waste product of photosynthesis, it was released into the air. As more and more of these organisms multiplied, large amounts of oxygen were released into the air, forming today's atmosphere.


What organism appeared first?

The first single-celled organisms, like bacteria, are believed to have appeared around 3.5 billion years ago. These organisms are considered some of the earliest forms of life on Earth.


How many years ago did the first multicellular organisms appeared on earth?

2 billion years ago ... You Plato user huh....


What type of organisms first appeared on earth?

The first type of organisms to appear on Earth were single-celled prokaryotic organisms, such as bacteria and archaea. These organisms are among the most ancient forms of life and played a crucial role in shaping the planet's early environment.


When did the first colonial organisms appear on earth?

Colonial organisms first appeared on Earth about 600-700 million years ago during the Ediacaran Period. These organisms were multicellular but lacked specialized tissues or organs.


How did oxygen first enter earths athmosphere?

Oxygen first entered Earth's atmosphere through the process of photosynthesis by early cyanobacteria and other photosynthetic organisms. These organisms produced oxygen as a byproduct of their metabolic processes, gradually increasing the amount of oxygen in the atmosphere over millions of years.


Are the heterotrophs the first living organisms?

No, heterotrophs were not the first living organisms. It is believed that autotrophic organisms, capable of producing their own food through processes like photosynthesis, likely appeared before heterotrophs that rely on consuming other organisms for nutrition.