AP BIOLOGY

EVOLUTION

THE ORIGIN OF LIFE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The Geologic Time Scale is a record of ____
A
Pangaea
B
dirt
C
the history of the Earth preserved in rocks and fossils.
D
a bunch of dead things.
Explanation: 

Detailed explanation-1: -Geologic time is, in effect, that segment of Earth history that is represented by and recorded in the planet’s rock strata. The geologic time scale is the “calendar” for events in Earth history.

Detailed explanation-2: -The geologic time scale is a way of representing deep time based on events that have occurred throughout Earth’s history, a time span of about 4.54 ± 0.05 Ga (4.54 billion years).

Detailed explanation-3: -Because the time span of Earth’s past is so great, geologists use the geologic time scale to show Earth’s history. The geologic time scale is a record of the geologic events and the evolution of life forms as shown in the fossil record.

Detailed explanation-4: -The geological time scale relates stratigraphy (layers of rock) to periods of time. The time scale is used by geologists, palaeontologists and many other Earth scientists to date certain historical events on Earth.

There is 1 question to complete.