1.Tyrannosaurus Rex Lived in the Mesozoic Era
2.The largest mass extinction happened in the Paleozoic Era
3.Life exploded for the first time in the Precambrian Era
4.The Chicxulub crater in the Cenozoic Era
Fetch
(sry have to make an answer 20 characters /!:!27837)
Consists of cranial and spinal nerves carrying impulses to and from the brain and spinal cord
I believe you're looking for "invasive species"
<span>Earth went through a period of hot and also dry conditions and a wide spread drought.These conditions favored reptiles and therefore causing them to evolve during those conditions. Hope this helps :)</span>
