WorksheetsGeologic History and the Evolution of Life
Total questions: 10
Worksheet time: 5mins
What are Eons
Subdivisions of Eras
Subdivisions of Periods
Subdivisions of Epochs
The longest unit of geologic time
What is mass extinction?
The extinction of many organisms in one species over a short period of time
The extinction of many species in a short period of time
The extinction of many species in a long period of time
The death of many organisms in a short period of time
What could cause extinction?
Meteorite Impact
A small storm
Tsunami
Large Volcanic Eruption
Changes in Climate
Life has been evolving for...
Hundreds of Thousands of Years
Millions of Years
Billions of Years
Billions of Months
Since you were born
Older Rock contains... while younger rock contains ...
More Complex Life-Forms, Simple Life-Forms
Simple Life-Forms, More Complex Life-Forms
Less Complex Life-Forms, More Simple Life-Forms
Communities of Lava-Dwelling Lizards, A Layer of Pure Magnetite
Geologists used _______ changes in the fossil record to mark divisions in geologic time
Sudden
Early
Slight
Meteorological
What was the Timeline of Earth's past created by geologists to model Earth's geologic history called?
Geologic Time Map
Geologic Era Scale
Geologic Meteorite Impact Timeline
Geologic Time Scale
What Era do we live in?
Ordovician
Cenozoic
Paleozoic
Jurassic
How old are the oldest known fossils
1 million years old
125,000 years old
3.5 Billion years old
3.5 Trillion years old
What is Geographic Isolation
Occurs when a population of a certain species are "ganged up on" by other species and surrounded in a valley or at the top of a hill and attacked.
The separation of a population of organisms from the rest of it's species due to some physical barrier, such as a mountain range or ocean
A fossil that has no other fossils of it's species near it
Occurs when a population of organisms becomes the top of the food chain but in other habitats, other populations of that species are not the top of the food chain.
