Answer:
The plates are moving and have been for billions of years... they collide and they rip apart. ... The plates carry the continents on their "backs"; if two plates -each with a continent- collide, then a supercontinent can be created.
Explanation: hope this helps
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There might be an abundance of whatever that predator was feeding on, this could cause other animals to suffer, the ecosystem overtime would repair, but it would take a while.
Hope this helps.