What would happen if every human suddenly disappeared?

Human beings are everywhere. With settlements on every continent, we can be found in the most isolated corners of Earth’s jungles, oceans and tundras. Our impact is so profound, most scientists believe humanity has left a permanent mark on Earth’s geological record. So what would happen if suddenly, every human on Earth disappeared? 
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Relax and watch this TEDEd lesson. Don't stress if you can't catch every word, just try to get the gist (general idea).

Next, read the 8 questions HERE - watch the video again to find the answers.

Lastly, prepare some questions for me (using the question  grid) and let's talk about it next class.