You are presented with the quiz "If what are found in permafrost, that plant used to live in that place?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if fossils of an animal or plant are found in a place then that animal or plant used to live in that place" and "frozen fossil animals are found in permafrost". 

So, what's the best answer to the question?


 

     frozen fossils      