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I know that dinosaurs lived during the Mesozoic era

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I know that dinosaur lived during the Cambrian Explosion the first period in the Paleozic Era which is the appearance of many new and more complex life-forms.

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Mass extinctions is when a big number of types of animals get wiped out , what i know about dinosaurs is that they are like reptiles .

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A mass exstinction is when a whole bunch of animals are wiped out at once like when the dinosaurs got wiped out at once.

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mass extinction is a whole species dies out. cause not thing like that animal lives any longer. like if tigers had an mass extinction no of them had died out like 10,000 to 0 thats an mass extinction

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A mass extinction is when a entire species goes extinct,just like the dinosaurs did. Another thing that happens is that when a mass extinction occurs it ends a certain time period ends.

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great job on remembering that explosion it is significant

Danyalle Clement

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I know that Mass extinction was when many types of animal species were being extinct.

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What I know about mass extinctions is when one mass extinction occurs, the environment can change, and create new forms of life with help of genetic mutations and evolution. As an example, mammals!

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What I know about mass extinction is when a lot of types of species are being extinct.

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A mass extinction extinct for example all the dogs and a normal extinction will extinct only one type of dog.

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What I know about mass extinction is that it wiped out the dinosaurs.

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I know that dinosaurs lived during the mesozoic era

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What I know about mass extinction is that dinasaurs died during the mass extinction.

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great job knowing what mass extinction means -hadie

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Good job on remembering that they were reptiles, I see a tiny connection in our responses! -Mia Navarro

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I know that the dinosaurs were extinct many many years ago the became extinct because there were many periods in which they started going extinct.

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It's great you remember the time period the Tyrannosaurus rex came to existence. I almost forgot, thanks! - Mia Navarro

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I learned about that two and good job on rememberinbg that.

ISRAEL REYES

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I know that in a mass extinction their had to be a lot of dinosaur that became extinct

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I know about that dinasours where extincted by astiroitesed or a valcanous.

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that is so true about the climate changes it does create new life -leslie h

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Nice facts about what you know and and how they died and what a mass extinction is. -Robert B

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Great job with the describing what mass extinction and how it could change the environment - hadie

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They are ancient and when they were alive they were some great dinosaurs...... mass extinctions are is when a group of animals are wiped out at the same time.

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that a really good connection with other types of animals .

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Great detail -Amairany

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good job that is right Angel Peña

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I know that mass extiction is about that alot of species died at that time . Also that dinosaurs where extict along time ago and that some dinosaurs were friendly and some were nice .

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i know that they lived along time ago and they died because an astroid and a mass extinction is for example if one type of animal dies like only five that normal but if they all died thats a mass extinction.

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Good job and good job explaining

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I know that dinosaurs were about 500,000 years old, and that they are huge.

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I know that that mass extinction is when the dinosaurs where wiped out at once.

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wow Mia i can't believe you remembered all that.

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I know that mass extinction is the extinction of dinosaurs

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great job about your work.

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Nice job

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The thing i know about is about mass extinction is that a lot of dinosaurs died during it.

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I agree with you

-Bryanna

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During the jurassic time period the tyrannosaurus rex came into existence around this time period.

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During the jurassic time period the tyrannosaurus rex came into existence.

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I agree with you

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The largest mass extinction took place about 251 million years ago. The continents joined together.