They never were, a few species of stingrays are native to the North American Waters.
Lang time ago
Yes it should have been introduced long ago.
Stingrays have been around for over 100 million years, with their ancestors dating back to the Cretaceous period. They are part of the elasmobranch group, which also includes sharks, and have evolved significantly since their emergence. Fossil evidence suggests that modern stingrays began to appear around 25 million years ago. Their long history showcases their adaptability and resilience in various marine environments.
an aquatic plant introduced to north america about 100 years ago reproduces rapidly and forms a thick mat on top of the water how does this affect its lake enviroment
Southern stingrays have been around for millions of years, dating back to the Miocene epoch, which started around 23 million years ago. They are a relatively ancient species that have evolved and thrived in various marine environments over time.
Q: when did he die A: A LONG LONG time ago
Q: when did he die A: A LONG LONG time ago
40,000 and 10,000
No it ended long ago.
Domestic Ferrets were introduced to the United States in 1875 for use in rodent extermination and hunting rabbits Black footed ferrets first appeared in North America approximately 100,000 years ago, and came from across the Bering Strait from Europe.
they were a long time ago about america
In England the idea of knighthood was introduced by the Normans in 1066. Knighthoods are still bestowed today