instruction:
Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.
question:
Question: What is the term for the remains or traces of living organisms? Answer: fossils
answer:
Fossils are the remains or traces of living organisms.

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Question: Mushrooms and other fungi obtain energy from what? Answer: other organisms
answer:
Mushrooms and other fungi obtain energy from other organisms. That's why you often see fungi growing on a fallen tree; the rotting tree is their source of energy ( Figure below ).

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Question: What leads to multiple copies of a chromosomal region? Answer: duplications (or amplifications )
answer:
Duplications (or amplifications ) lead to multiple copies of a chromosomal region, increasing the number of the genes located within that region. Some genes may be duplicated in their entirety.