True or False: There are three periods in the Precambrian Era
False, None
100
Large, ancient landmass that was composed of all the continents joined together
Pangaea
100
This derived from the Cambrian Period
Trilobites
100
How long ago did dinosaurs become extinct?
65 Million years ago
200
This Era has 6 Periods in it
Paleozoic
200
If you add all of the Periods from all of there Eras, how many are there total?
11 Periods total (6,3,2)
200
Changes in a species over a long period of time
Evolution
200
Sponges, jellyfish, algae, and bacteria all came from what Era?
Precambrian Era
200
The reason scientist believe dinosaurs became extinct
a meteor hit the Earth
300
Modern times are part of what era?
Cenozoic Era
300
True or False: The Silurian, Devonian, and Triassic periods all come from the same era
False
300
To change to fit in
Adapt
300
These animals came from the Tertiary Period
Mammals
300
How old is the Earth thought to be?
4.6 Billion years old
400
Name the earliest Era to the most recent Era
Precambrian, Paleozoic, Mesozoic, Cenozoic
400
Conifers (evergreens) come from this Period:
Permian Period
400
The subdivision of a Period is called:
an Epoch
400
True or False: Dinosaurs and mammals lived during the same Era?
True
400
Charles Darwin did what?
Proposed the theory of Natural Selection
500
This Era includes the earliest mammals
Mesozoic
500
This is the last period of the Mesozoic Era
Cretaceous Period
500
A period of geologic time short than an Epoch
Age
500
The first reptiles come from this period, which belongs to what era?
Carboniferous Period, Paleozoic Era
500
The process by which individuals that are better adapted to their environment are more likely to survive and reproduce than other members of the same species is known as...