Problem 2
Which principle states that the oldest rock layer is found at the bottom in an undisturbed stack of rock layers? A. half-life C. superposition B. absolute dating D. uniformitarianism
Problem 3
Which type of scientist studies fossils? A. meteorologist C. astronomer B. chemist D. paleontologist
Problem 4
Which are the remains of species that existed on Earth for relatively short periods of time, were abundant, and were widespread geographically? A. trace fossils C. carbon films B. index fossils D. body fossils
Problem 4
Write an original sentence using the vocabulary word to which each phrase refers. gap in the rock record
Problem 5
Which term means matching up rock layers in different places? A. superposition C. uniformitarianism B. correlation D. absolute dating
Problem 6
Write an original sentence using the vocabulary word to which each phrase refers. fossil organism that lived for a short time
Problem 6
Which of the following is least likely to be found as a fossil? A. clam shell C. snail shell B. shark tooth D. jellyfish imprint
Problem 7
Which type of fossil preservation is a thin carbon silhouette of the original organism? A. cast C. mold B. carbon film D. permineralized remains
Problem 8
Which isotope is useful for dating wood and charcoal that is less than about 75,000 years old? A. carbon- 14 C. uranium-238 B. potassium \(-40\) D. argon-40
Problem 10
What is any evidence of ancient life called? A) half-life C) unconformity B) fossil D) disconformity
