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Q: Which Paleozoic invertebrates had become extinct by the end of the Paleozoic?
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What marks the end of the Paleozoic's era?

The Permian Extinction. Basically when many marine invertebrates died off. I am fcking 14 and I know this.


True or false that most organisms that have ever lived on Earth are now extinct?

Yes. There have been several episodes of mass extinction. The worst was at the end of the Paleozoic era. The most famous came at the end of the Mesozoic, when the dinosaurs disappeared. Nature is cruel. Of course, some people say that species have not really become extinct, but merely evolved into different forms.


What shaded area of the graph best represents the percentage of marine organisms that became extinct at the end of the Paleozoic?

The area that best represents it


When will overfishing end?

When humans become extinct.


Why are there gaps in the fossil record particularly at the end of the Paleozoic and Mesozoic eras?

Apparently, and with evidence, these were periods of global catastrophes (for life-forms) where massive numbers of organisms went extinct.


The second era in geological time?

Warm, shallow seas covered most of Earth's surface near the end of the Paleozoic Era.


What era was also the end of The end of the Permian?

The permian period was the end of the paleozoic era.


What does the end of the paleozoic and the mesozoic have in common?

Mass extinction


What supercontinent formed at the end of the Paleozoic era?

pangaea


What years did the paleozoic era start and end?

in the 2019


What supercontinent formed at the end of the paleozoic?

pangaea


What happen to all of the continental plates near the end of the Paleozoic Era?

At the end of the Paleozoic Era all the plates combined together to form a supercontinent called Pangea.