Geologic Time

Which would be an example of a fossil?

• Sedimentary Rock
• Oyster Pearl
• Dinosaur Footprint
•   Rotting Log

  A _____________________ is the remains or evidence of an   ancient organism.

• paleontologist 
•  fossil
• preserved
• extinct

Rock strata is...

• layers of rock.

• types of rocks.

• the strategy of rocks.

• straight rocks.

When looking at layers of rock we would call them...

• rock strata.

• sedimentary rocks.

• metamorphic rocks.

• fossils.

Stratification is...

• spreading something out horizontally.

• stacking something into horizontal layers.

• stacking something into vertical layers.

• spreading something vertically.

This would be an example of...

• horizontality

• verticality

• stratification

• a rock

Used to determine whether an object is older or younger than other objects

• Evolution

• Relative Dating

• Fossil

• Unconformity

How do geologists use relative dating?

• Placing rocks in order from oldest (below) to youngest (above)

• Placing rocks in order by minerals they contain

• Classifying rocks by different textures

• Classifying rocks by different isotopes

When NO members of a species are left, this is an example of____________________________.   

• a.      Endangered 
• b.      Extinction 
• c.      Protected  
• d.      Threatened 

What will most likely happen to a species of fish if all the female fish are caught?

• The male fish will move away.

• The male fish will build homes to raise their young.

• The species will go extinct.

• The young fish will starve.