Q: You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).
Paragraph: In general, fossils in older rocks are less similar to modern organisms.
 Question: If Mona is comparing fossils she found in very old rocks to fossils she found in newer rocks. Which fossils does she expect to be less similar to living animals? 
 Choices: A)old rocks 
B)newer rocks
A:
old rocks