What animal million years ago?

1. What was the biggest animal million years ago?
2. What animal has been living on Earth for millions of years?
3. What was the very first animal?
4. What was life like 1 million years ago?
5. What animals existed 7 million years ago?
6. What's the biggest creature to ever exist?
7. What was the first thing on earth?
8. What is the first human?
9. What was first on earth?
10. What was Earth like 3 billion years ago?
11. How did animals get on earth?
12. What came before dinosaurs?
13. Are alligators or crocodiles older?
14. How long have sharks existed?
15. What is the oldest living mammal?
16. What lived on Earth 20 million years ago?
17. Did humans ever have predators?

What was the biggest animal million years ago?

Scientists have discovered fossils dating back 98 million years ago that belonged to a dinosaur that was possibly the largest animal to walk planet Earth. The remains of a long-necked titanosaur dinosaur was first discovered in Argentina in 2012, but have still not been fully excavated.

What animal has been living on Earth for millions of years?

Jellyfish

Jellyfish are the oldest multi-organ animal in the world and have existed in some form for at least 500 million years. The oldest known definitive jellyfish fossil dates back to 500 million years.

What was the very first animal?

A comb jelly. The evolutionary history of the comb jelly has revealed surprising clues about Earth's first animal.

What was life like 1 million years ago?

By a million years ago, early hominids — our human ancestors — were walking upright and making tools. They were on the move. Our ancestors originated in Africa between one and two million years ago and eventually moved to Asia and Europe. Scientists speculate that climate change had a lot to do with their migration.

What animals existed 7 million years ago?

7 million years ago, gorillas branched off from the other great apes; they remain the largest of all the surviving primates. The great apes split off in two directions 6 million years ago, with one direction giving rise to humanity's ancestors and the other branch giving rise to chimpanzees and bonobos.

What's the biggest creature to ever exist?

Far bigger than any dinosaur, the blue whale is the largest known animal to have ever lived. An adult blue whale can grow to a massive 30m long and weigh more than 180,000kg - that's about the same as 40 elephants, 30 Tyrannosaurus Rex or 2,670 average-sized men.

What was the first thing on earth?

Some scientists estimate that 'life' began on our planet as early as four billion years ago. And the first living things were simple, single-celled, micro-organisms called prokaryotes (they lacked a cell membrane and a cell nucleus).

What is the first human?

The First Humans

One of the earliest known humans is Homo habilis, or “handy man,” who lived about 2.4 million to 1.4 million years ago in Eastern and Southern Africa.

What was first on earth?

In July 2018, scientists reported that the earliest life on land may have been bacteria 3.22 billion years ago. In May 2017, evidence of microbial life on land may have been found in 3.48 billion-year-old geyserite in the Pilbara Craton of Western Australia.

What was Earth like 3 billion years ago?

Earth may have been a 'waterworld' without continents 3 billion years ago, study suggests. Around 3 billion years ago, Earth may have been covered in water – a proverbial "waterworld" – without any continents separating the oceans.

How did animals get on earth?

Compared to prokaryotic organisms such as bacteria, plants and animals have a relatively recent evolutionary origin. DNA evidence suggests that the first eukaryotes evolved from prokaryotes, between 2500 and 1000 million years ago. ... Like the plants, animals evolved in the sea.

What came before dinosaurs?

At the time all Earth's land made up a single continent, Pangea. The age immediately prior to the dinosaurs was called the Permian. Although there were amphibious reptiles, early versions of the dinosaurs, the dominant life form was the trilobite, visually somewhere between a wood louse and an armadillo.

Are alligators or crocodiles older?

Crocodiles Are Slightly Older Than Alligators

Crocodiles can be traced back from around 70 million years ago to the late Cretaceous period. But, their ancestry goes back even farther than that. ... These aquatic crocodiles are known as 'Thalattosuchia' and lived over 200 million years ago.

How long have sharks existed?

The earliest fossil evidence for sharks or their ancestors are a few scales dating to 450 million years ago, during the Late Ordovician Period. Emma Bernard, a curator of fossil fish at the Museum, says, 'Shark-like scales from the Late Ordovician have been found, but no teeth.

What is the oldest living mammal?

1. Bowhead whale: potentially 200+ years old. Bowhead whales (Balaena mysticetus) are the longest living mammals.

What lived on Earth 20 million years ago?

Life during the Miocene Epoch was mostly supported by the two newly formed biomes, kelp forests and grasslands. Grasslands allow for more grazers, such as horses, rhinoceroses, and hippos. Ninety-five percent of modern plants existed by the end of this epoch.

Did humans ever have predators?

Aside from giant birds, crocodiles, and leopards, early humans likely had to contend with bears, sabertooth cats, snakes, hyenas, Komodo dragons, and even other hominins. As prey, the past was not a pleasant place for humans and our ancestors.