Earth Period
When was the Cenozoic period?
65 million years ago
What is found in the Mesozoic period?
dinosaurs
when were mammals, humans found?
Cenozoic period
What is oldest organism found on Earth?
bacteria
What was roaming during the Mesozoic period?
Dinosaurs roamed the Earth
When was the Mesozoic period?
250 million years ago
What is found in the Paleozoic period?
fish
What is one-celled organisms, bacteria?
Precambrian period
What is preserved part of fossil?
bones, teeth, shell
What is the Precambrian period?
the oldest period on the geologic time scale
When was Precambrian period?
500 million years ago
What is found in the Precambrian period?
one-celled organisms such as bacteria
What is found in the mesozoic period?
dinosaurs
What organism part not preserved in a fossil?
soft body parts
What is the order of the periods on the geologic time scale?
Cenozoic, Mesozoic, Paleozoic, Precambrian
What is the age of the Earth?
4.5 billion years ago
What is found in the cenozoic period?
mammals such as humans
What is found in the Paleozoic period?
fish
What happened in the Cenozoic period?
human life appeared here
How is geologic time scale categorized?
categorized by type of fossils found
What is the time periods scientists use to categorize life on Earth?
The Geologic Time Scale
What is bacteria?
the oldest fossils found
What is organic material found in fossils?
minerals
What is the type of rock fossils are found in?
sedimentary rock
Who is your favorite science teacher? :)
Coach Delaney :')