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Paleontology

Paleontology is the study of prehistoric life and an organism's interaction with other organisms and the environment. It is a science that attempts to explain causes, rather than to conduct experiments to observe effects, and is often based on fossil evidence. Questions here have to do with anything that pertains to paleontology.

11,721 Questions

Where did Lucy lived?

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The antislavery activist Lucy Stone spent most of her life in Massachusetts. She was also the first woman from Massachusetts to earn a college degree.

What might have caused the mass extinctions at the end of the paleozoic era?

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the plants started to change and the herbavores started to die so the carnivivors had to kill each other and went almost extinct and then a meteorite shower finished them off.

What is a sentence for the word food web?

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Pollution is destroying the balance of several food webs on the planet.

What was the climate during the permian period?

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During the Permian, all the continents were joined together in the supercontinent Pangaea, which was covered mostly by desert.

Can you get pregnant 15 days after your period?

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yes While it's "possible" to become pregnant just about anytime during your cycle, your highest risk is about 14 days prior to the onset of menses. For instance, assuming a 28 day cycle and a 5 day period, if you started your period on day one and it ran for 5 days, the 15th day after your period would be day 20 in your 28 day cycle. The highest risk point in this example would be day 14, so you're a bit beyond the most critical point. However, considering variations in sperm viability, there's always a chance of becoming pregnant later in your cycle. That's the long answer...the short answer is: if you're concerned, take a pregnancy test and if any questions remain, consult a health care professional. Good luck.

Where can you find basalt?

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Available in Yemen.

Why are there no native inhabitants of Antarctica?

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There May have been some native peoples living on the coast, but Antarctica is a frozen desert. unlike the Canadian arctic, there is no lakes or rivers in Antarctica, there fore there is no fishing.

How was a sea created?

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It was originally thought that water on earth must have come from comets and ice rich asteroids. It was thought that water must have come to earth after formation. Since we are so close to the sun the water would have evaporated away to space when the proto-earth was smaller.

There is evidence in the form of zircon crystals from 4.38 billion years ago that tells us that only 187 million years after formation. This was just not long enough for extraterrestrial objects to bring us the water. Therefore water must have been there from when earth formed.

One recent theory overcomes these problems by suggesting that the earth formed further out in the solar system and migrated in to it current orbit as it grew in mass. Since it was in a cooler orbit water could condense on the rocks and as the earth grew and as the surface cooled water literally oozed out of the rocks and into the atmosphere. When the earth cooled further it literally rained for millions of years. This water went to form the 1st oceans.

This is not the complete picture however. Studies of fossil water trapped underground for billions of years taken from volcano's in Hawaii and Iceland show that the ratio of isotopes of heavy water do not match the water we have in the oceans today.

The only credible answer to this is that about 1/2 the water on earth today was already on earth when it formed and the other 1/2 comes from comets and ice rich asteroids.

What is the only state in the United States that is made up of islands?

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Hawaii is the only state in the US that is made up of islands.

What is the human population of the Coniferous Forest?

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Approximately 15 percent of the Earth's surface is coniferous forest. They are typically in mountainous regions. They are home to eagles, snakes, moose, bear, sheep, squirrels, owls and loons.

Who are floridians?

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Floridians are people that live in Florida.

What Scientists who contributed to the plate tectonic theory or is involved in volcanoes or earthquake?

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Alfred Wegner wondered where we got volcanoes and why some of the country's look like they could fit together he then thought they where once joined in a super continent callled pangaea then drifted apart and caused mountains and trenches.

Why is carbon dating only useful for dating living things?

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The process in which humans carbon date things involves the subject to be unliving, or rather, by the end of the process they would be unliving.

What did the clovis pottery look like?

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I just purchased a planter that has a horse trough and hand water pump. It's a dark green (uneven in color) with a gloss finish. 6"H x 3.5"D x 10.5"L nice looking pc. The name Shawnee is of course on the bottom. I'm not sure whats it's worth?

Where do softwood trees grow?

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Any where really ether steep ground or wet.

How many years ago was the largest mass extinction?

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The most extreme that we are aware of was the Permian Extinction about 252 million years ago, in which 95% of all life was killed. The cause is still unknown, although it is possible that this was an impact event.

Why do some birds suddenly appear from nowhere?

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* Birds are migratory. They travel great distances at certain times of the year. When they seem to appear suddenly they may have just arrived into your area. If you are on the migratory route, they may disappear as suddenly as they came. Another reason may be related to their territorial habits. Males of some species do not allow other males into their territory. Therefore, you may see a bird suddenly arrive because it is searching for territory it can call its own. Cardinals behave like this.

If you have a Richter magnitude of 5.0 how much bigger would a 6.0 be?

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See the related link for answer. A 5 is 32 kilotons of TNT, a 6 is 1 megaton of TNT.

How archaeologists finds the fossils?

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you look at it and then see if there is rock around it and then it is a fossil!!!!you look at it and then see if there is rock around it and then it is a fossil!!!!

What important dates happened during the time period of 1921-1930?

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new technologies like the car, radio, tv, internet add more conectivness to society. Major wars seem to end with World War II as the Cold War was just a showing of strength between the USSR and the NATO countries. the late sixites brought a revolution in cultural ideals and politics. The increasing wealth of the top one percent of Americans since 1980. Just delve deeper into the Cold War and you will find a lot of significant events in our history, seeing as it was the most prominent event of the 20th century

Jurassic Fight Club?

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Jurassic Fight Club is a paleontology-based television series on History which premiered in August. Scientists study the battles of prehistoric creatures, such as dinosaurs, before they went extinct. Each episode features a forensic-styled breakdown of a prehistoric battle. Based on fossil evidence and paleontologist analysis, a CGI rendering of the battle, based on the evidence and the imagination of George Blasing (the show's "host") is the final act of each episode.