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Q 1/50
Score 0
What is the record of the geologic events and life forms in Earth's history called?
30
Geologic Time Scale
Q 2/50
Score 0
What is the age of rock compared to the ages of the rock layers called?
30
relative age
50 questions
Q.
What is the record of the geologic events and life forms in Earth's history called?
1
30 sec
Q.
What is the age of rock compared to the ages of the rock layers called?
2
30 sec
Q.
What is the largest intervals of geologic time? These intervals can last for 2.5 billion-540 billion years?
3
30 sec
Q.
What is a period of time that is associated with a particular quality, event, person, ect called? (They can last for 180-300 million years.)
4
30 sec
Q.
What is a subdivision of ears called? (They can last for tens of millions of years-2 million years?
5
30 sec
Q.
What is a period of time in history or a person's life, typically one marked by notable events or particular characteristics? (They can last for several million years.)
6
30 sec
Q.
What are animals that do not have a backbone?
7
30 sec
Q.
What are animals with a backbone called?
8
30 sec
Q.
What are animals that live part of its life on land and part of its life in water called?
9
30 sec
Q.
How long ago was Earth formed?
10
30 sec
Q.
What were the earliest forms of life?
11
30 sec
Q.
What event happened when many life forms appeared in a short amount of time?
12
30 sec
Q.
What are small ocean animals with two shells called?
13
30 sec
Q.
What are animals that do not have a backbone called?
14
30 sec
Q.
During the Ordovician and Silurian periods ancestors of what modern day animals started to appear?
15
30 sec
Q.
During the Ordovician and Silurian periods what type of fish evolved?
16
30 sec
Q.
What are animals with a backbone called?
17
30 sec
Q.
What period did the first insects appear in?
18
30 sec
Q.
What was the Devonian Period known as?
19
30 sec
Q.
During what period did animals begin to invade the land?
20
30 sec
Q.
What are animals that live part of its life on land and part of its life in water called?
21
30 sec
Q.
What is it called when many types of living things become extinct at the same time?
22
30 sec
Q.
How much of life disappeared after the first mass extinction?
23
30 sec
Q.
What animals survived the first mass extinction?
24
30 sec
Q.
What did we call the supercontinent?
25
30 sec
Q.
Pangaea never broke apart.
26
30 sec
Q.
What do we call the movement of the continents?
27
30 sec
Q.
What does "meso" mean?
28
30 sec
Q.
Which was not a period found in the Mesozoic Era?
29
30 sec
Q.
What was another name for the Mesozoic Era?
30
30 sec
Q.
When did the first dinosaurs appear?
31
30 sec
Q.
What was one of the earliest dinosaurs?
32
30 sec
Q.
What period did the first mammal appear?
33
30 sec
Q.
What is a warm-blooded vertebrate that feeds its young milk called?
34
30 sec
Q.
What period did dinosaurs become the dominant animal on land?
35
30 sec
Q.
What dinosaur was 20 meters long?
36
30 sec
Q.
What is one of the smallest known dinosaurs called?
37
30 sec
Q.
What was one of the first birds to appear during the Jurassic Period?
38
30 sec
Q.
What do we call a scientist who studies fossils to learn about organisms that lived long ago?
39
30 sec
Q.
What is the preserved remains or traces of living things called?
40
30 sec
Q.
During the Cretaceous Period what type of new plant evolved?
41
30 sec
Q.
How long ago was the second mass extinction?
42
30 sec
Q.
What object do scientist think caused the second extinction?
43
30 sec
Q.
Dinosaurs survived the second mass extinction.
44
30 sec
Q.
What was another name for the Cenozoic Era?
45
30 sec
Q.
What two periods occur during the Cenozoic Era?
46
30 sec
Q.
What type of climate occurred during the Tertiary Period?
47
30 sec
Q.
What type of marine animal evolved in the Tertiary Period?
48
30 sec
Q.
What period are we currently in?
49
30 sec
Q.
How long ago did the first human ancestors appear?