The earliest discovered fossils are of ________ dating back to ________ years ago.
A) single-celled eukaryotes; 4.5 billion
B) prokaryotes; 3.5 billion
C) algae; 1 billion
D) fish; 600 million
Correct Answer:
Verified
Q1: The findings of Pasteur and others have
Q2: Plants and fungi first became established on
Q3: If all of Earth's history were compressed
Q4: A current leading hypothesis about the first
Q6: Which highly reactive gas was probably absent
Q7: The Mesozoic era is often called the
Q8: The 14C:12C ratio can be used to
Q9: Miller was the first to show that
A)
Q10: What was the probable role of oxygen
Q11: You find the frozen remains of a
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents