Could dinosaurs survive today?

Variables such as temperature, food sources, and oxygen levels are all factors that might impact dinosaur survival. Because dinosaurs lived in much warmer climates millions of years ago, many experts doubt they could even survive today.
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Would humans exist if dinosaurs didn't go extinct?

They would still probably be small, scrawny, and very generalized. But instead, the mammals were able to evolve and diversify and, well, ultimately, millions of years later, become some humans. So perhaps we would not have been here if it weren't for this extinction event 65 million years ago.
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Could humans breathe the same air as dinosaurs?

A long time ago, before humans, dinosaurs, plants, or even bacteria, Earth's air had no oxygen. If we could time travel to that period, we would need space suits to breathe. Scientists think the air was mostly made out of volcanic gases like carbon dioxide.
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Could dinosaurs come back?

Unfortunately, dinosaurs probably cannot be cloned and brought back to life. Their DNA is too old since dinosaurs have been extinct for over 65 million years. Any genetic information is not likely to survive for one million years, so the dinosaurs are simply too old to be cloned.
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How close are humans bringing dinosaurs back?

Could we clone a dinosaur? DNA breaks down over time. The dinosaurs went extinct around 66 million years ago and with so much time having passed it is very unlikely that any dinosaur DNA would remain today. While dinosaur bones can survive for millions of years, dinosaur DNA almost certainly does not.
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Could Dinosaurs Survive Today? - Uncovered



What is the closest living thing to dinosaurs?

In fact, birds are commonly thought to be the only animals around today that are direct descendants of dinosaurs. So next time you visit a farm, take a moment to think about it. All those squawking chickens are actually the closest living relatives of the most incredible predator the world has ever known!
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How long would Earth's oxygen last?

All plant and animal life on Earth need oxygen to survive. According to a new study, a billion years from now, Earth's oxygen will become depleted in a span of about 10,000 years, bringing about worldwide extinction for all except microbes. Image via Dikaseva/ Unsplash.
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Has any human ever breathed underwater?

Humans cannot breathe underwater because our lungs do not have enough surface area to absorb enough oxygen from water, and the lining in our lungs is adapted to handle air rather than water. However, there have been experiments with humans breathing other liquids, like fluorocarbons.
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What planet can human breathe on?

Answer 3: To our knowledge, the Earth is the only planet with an atmosphere of the right density and composition to make life possible. Other planets in the Solar System have atmospheres but they are too thick, hot, and acidic like on Venus or too thin and cold like on Mars.
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Will humans go extinct?

The scientific consensus is that there is a relatively low risk of near-term human extinction due to natural causes. The likelihood of human extinction through humankind's own activities, however, is a current area of research and debate.
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Could humans coexist with dinosaurs?

It's impossible. The DNA has changed so much, even just in the 68 million years, since teeth were lost in the, you know, living bird lineage of dinosaurs, cause teeth were actually lost in dinosaurs, like at least a dozen times. And the beak was evolved, you know, teeth lost really beak evolved many times.
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Is it true that humans almost went extinct?

The fossil record indicates that Homo sapiens has been around for 315,000 years or so, but for most of that time, the species was rare—so rare, in fact, that it came close to extinction, perhaps more than once.
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Is there any other planet with oxygen?

Full Article. NASA's Hubble Space Telescope has detected, for the first time ever, the presence of oxygen and carbon in the atmosphere of a planet outside our solar system. The oxygen naturally exists and is not produced by any sort of life on the gaseous hot world, astronomers caution.
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What planet has the best oxygen?

Answer: From the table we see that Mercury has the greatest percentage of oxygen in its atmosphere.
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What planet can you not survive on?

Neptune's environment is not conducive to life as we know it. The temperatures, pressures, and materials that characterize this planet are most likely too extreme and volatile for organisms to adapt to.
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Can you breathe pure oxygen?

The high concentration of oxygen can help to provide enough oxygen for all of the organs in the body. Unfortunately, breathing 100% oxygen for long periods of time can cause changes in the lungs, which are potentially harmful.
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How long can humans hold their breath?

While some studies say most people can hold their breath for 30 seconds to maybe a few minutes at most, Aleix Segura Vendrell of Spain, the most recent Guinness World Record holder, held his for an astonishing 24 minutes and 3 seconds while floating in a pool in Barcelona.
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What is the longest time holding breath?

On 27 March 2021, Croatia's Budimir Šobat achieved the world record for breath-holding underwater, with a time of 24 minutes and 37 seconds.
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Is the Earth losing water?

Water flows endlessly between the ocean, atmosphere, and land. Earth's water is finite, meaning that the amount of water in, on, and above our planet does not increase or decrease.
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How many years before our Sun dies?

The Sun is about 4.6 billion years old – gauged on the age of other objects in the Solar System that formed around the same time. Based on observations of other stars, astronomers predict it will reach the end of its life in about another 10 billion years.
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What if the earth is 100% oxygen?

If our atmosphere was 100% oxygen, plants and cyanobacteria on land and sea would likely not exist as we know them, because they require carbon dioxide to live, with oxygen being a byproduct of their metabolic respiration. Therefore, the insects and animals that depend on them would also likely not exist.
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How did cockroaches survive the dinosaur extinction?

When the meteor struck, temperatures on Earth's surface skyrocketed. Many animals had nowhere to flee, but roaches could take shelter in tiny soil crevices, which provide excellent protection from heat.
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What animal is closest to T-Rex?

The closest living relatives of Tyrannosaurus rex are birds such as chickens and ostriches, according to research published today in Science (and promptly reported in the New York Times). Paleontologists used material discovered in a chance find in 2003 to pin down the link.
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Were alligators around with dinosaurs?

Dinosaurs and alligators lived at the same time and shared a common ancestor. But are alligators dinosaurs? Alligators are not dinosaurs, though they belong to the same order as dinosaurs once did. Their ancestors were closely related to dinosaurs and walked the earth at the same time.
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Is there a planet that has water?

But Earth is the only known planet (or moon) to have consistent, stable bodies of liquid water on its surface. In our solar system, Earth orbits around the sun in an area called the habitable zone.
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