fossils occur only in sedimentary rocks. many organisms survive for millions of years. fossils do not undergo chemical or physical weathering. different organisms usually inhabit specific environments.
I gave my students this multiple choice question: The presence of fossil organisms in rocks can provide information about the environment at the time the sediments were deposited because

Only one answer is correct among these 4 choices:
- fossils occur only in sedimentary rocks.
- many organisms survive for millions of years.
- fossils do not undergo chemical or physical weathering.
- different organisms usually inhabit specific environments.

Could you tell me which one is correct?

different organisms usually inhabit specific environments.