The oldest known fossils are
A) trilobites and brachiopods.
B) algae and bacteria.
C) fungi and algae.
D) worms and jellyfish.
Question 2
Which of the following is not true of the fossil record?
A) The fossil record spans 3 billion years of Earth's 4.6 billion year age.
B) The most common fossils are from organisms that had hard parts like shells and bones.
C) Similar to present day stromatolites, the first fossils were simple, anaerobic algal plants.
D) The Paleozoic era is credited with the emergence of life.