test Flashcards
1
Q
how does geologic change happen in unifomintarianism
A
gradual
2
Q
catastrophic event
A
astroid
3
Q
palentologists study
A
history of plants and animals
4
Q
paleobotantists
A
study fossilized plants
5
Q
preserved foot prints
A
trace fossil
6
Q
amber
A
harden tree sap
7
Q
which temp slows down organism decay
A
freezing
8
Q
which era has the most mass extinction
A
paleozoic
9
Q
which era mammals live in
A
maleozoic
10
Q
trace fossil
A
mark left by dinosaur tracks
11
Q
Years of Earth?
A
4.6 billion
12
Q
what scientists think caused dinosaurs to extinct?
A
climate change
13
Q
how scientists use geologic time scale
A
divide earths history
14
Q
what trace fossil tell about animals that left them
A
how big they were
15
Q
what most fossils are in
A
sediment
