Geography

Question

.

The diagram shown represents a

cross-section of undisturbed rock layers.

A scientist discovers bones of a complex

vertebrate species in layers B and C.

In which layer would an earlier, less

complex form of this vertebrate most

likely first appear?

SEDIMENTARY

ROCK LAYERS

A

3 VOLCANIC ROCKS)

A. A B. E C. C

D. D

2. Fossils would most likely be found in

A. amber that is over 8 billion years old

B. icebergs that are 500 billion years

old

Answer

C. C

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Layer C is the oldest sedimentary rock layer, so it is most likely that an earlier, less complex form of the vertebrate species would first appear...