Question

On the given diagram, the numbers 52 through 63 represent different rock layers. The lowercase letters m, n, p, and q represent times in geologic history (ages of the rocks). The uppercase letters A through D represent different fossil organisms. Location X represents the geologic (world-wide) time range of the fossil species A through D. If both fossils A and B appear in a rock somewhere, then how old is the rock?

somewhere between ages m and p
somewhere between ages m and q
somewhere between ages m and n
older than age m

Answer 1

Diagram?

Answer 2

I GOT IT NVM

Answer 3

Which principle tells us that since organisms evolve through time, certain fossil forms can be used as age markers wherever they are found?

original horizontality
superposition
faunal succession
cross-cutting relationships

Answer 4

I NEED THIS ONE

Answer 5

I'm thinking faunal succession.

Answer 6

Which scientist is known for first recognizing the principle of faunal succession?

Charles Darwin
James Hutton
William Smith
Nicolaus Steno

Answer 7

William Smith.

Answer 8

The first birds and lizards appeared during the

Jurassic
Cambrian
Devonian
Silurian

Answer 9

Jurassic!

Answer 10

^.^