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Actually they were from the Pennsylvanian Period and the Paleozoic Era...

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Q: When did cockroaches first appear?
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Who came first humans or cockroaches?

Humans came first before cockroaches. Fossil records and genetic evidence indicate that humans evolved around 300,000 years ago, while cockroach ancestors date back over 300 million years.


What do you call fear of roaches?

Fear of cockroaches is a part of entomophobia, the fear of insects. It does not appear to have its own term.


What are the dime sized brown things left by cockroaches?

These are the droppings of cockroaches. I know this from first hand experience unfortunately enough!


What is the plural possessive of cockroaches?

The plural form is cockroaches; the plural possessive form is cockroaches'.


Can cockroaches mate with breeds of cockroaches?

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No, Cockroaches cannot barf.


What is the collective noun of cockroaches?

The collective nouns for cockroaches are:an intrusion of cockroachesa swarm of cockroaches


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