How did the dinosaurs go extinct??

Answer 1

It seems that Earth have had several extinction events in its history, some have theorized that Asteroids, Comets or unusual Solar Activity, or even a Gamma Burst from a Star in our Galaxy could affect life greatly on Earth.

Answer 2

This has been a subject of much debate. One thing most agree on is that there was some sort of major climate change, the cause of said change is where dissent begins.

The most common theory is that of a meteorite hitting the earth, but other theories suggest that solar flares (major solar storms tend to cycle around every few million years or something) cause a major ice age that basically wiped out all large dinosaurs and allowed smaller dinosaurs and mammals to flourish in the sudden ecological gap. Some people thing that dinosaurs just died out and the ones that survived evolved into birds. Another one is that there was some sore of epidemic that swept through the dinosaurs and wiped out their populations. Or that mammals found a niche that allowed them to surpass dinosaurs and eventually drove them out. Something interesting to note is that scientists have found that carbon levels in the atmosphere during those times were higher than the levels we see today, even with all the pollution we produce. They suggest this is because there was a lot more plant life during this time, so if something happened to kill off all the plant life it changed the CO2 levels and led to their extinction. And it wasn't necessarily caused by a meteor because climates change naturally as the poles move around (that and a dozen other suggested reasons). Usually there is a new theory every decade or so that disproves the last one, but then that is the nature of theories.

Answer 3

emucompboy was right on. The diversity of the dinosaurs before their extinction indicated that something bad was happening to them. By the end there were only several species left making them very prone to other factors. Robert Baaker, the most brilliant mind in paleontology, IMO, noted this and theorized that perhaps the comet finished them off. More recent research indicates the crater in the Yucatan seemed to formed about 200,000 years too soon. It appears that there may have been two comets 200,000 years apart. These comets cause major devastation to the earth and all life. I am skeptical that they caused the extinction but they seem to have played a role.

Answer 4

Prior to the K-T extinction event, there was a drop in the biodiversity of dinosaurs. We don't know why.

The extinction event exterminated the dinosaurs (and about half of everything else too). The proximal cause was a meteor strike near what is now Yucatan Mexico. Heat, fires, storms directly killed plenty of animals. The climate change, analogous to nuclear winter, did in the rest of the dinosaurs.

Answer 5

scienstist are not really sure what made the dinosaurs go extinct, it could be possibly from a major volcanic eruption, a comet, a meteorite, or any types of blast. but i believe that maybe because over time the climate might be changing plus the environment so they slowly became extinct.

Answer 6

According to the 100 or so TV programs that are on TLC and Science Channel and other channels each year... the Meteorite that hit earth wiped out the dinosaurs.

Answer 7

I believe that there were too many animals on the planet producing CO2 eating all the plants. Then the plants began to run out. A lot of animals died from starvation and their rotting bodies added to the amount of CO2 in the atmosphere.
Only small animals survived that could easily diffuse heat from their bodies to combat the increase in the earth's temperature due to the greenhouse effect.

Answer 8

They failed to reproduce at a rate greater than the mortality rate. No one knows the specifics. In general, what I said is true of anything that becomes exctinct. You have to have new life at a rate greater than the death rate. Else, death prevails and extinction occurs.

Answer 9

nobody knows that!

in the tv they say that the dinos died after a metorite hit earth and covered the sky with black smokes that the dinos were cutted off from the sunlight... and a living organsim needs the sunlight, and because of their size they were the first victims of that time...
like i said, nobody can tell that for sure

Answer 10

Who really knows forsure. I have my own ideas but im not a scientist or anything.