Fossil Record
______ fossils show evidence of ancient activities, like footprints or burrows.
What are TRACE
Some examples of index fossils include ______ and trilobites.
What are AMMONITES
Repeated ______ and _______ of water in soil can cause creep.
What is FREEZING and THAWING
______ fossils help scientists date rock layers because they were widespread and lived for a short time
What are INDEX
Fossils found in different layers show _______ sequences of life on earth.
What are CHRONOLOGICAL
What are TERRACES.
True or False: The fossil record is incomplete because not all organisms become fossils.
What is TRUE
__________ are scientists who study ancient life through fossils.
What are PALEONTOLOGISTS
_____ walls are structures and hold back soil on steep slopes.
What are RETAINING
Major time divisions in Earth's history include _______, Eras, Periods, and Epochs.
What are EONS
An example of an index fossil are ammonites, which lived during a _____ ________ and are found all over the world.
What is SPECIFIC PERIOD
This is the movement of soil, rocks, and debris downhill due to gravity.
What is MASS WASTING
True or False: Soft-bodied organisms are just as likely to leave behind fossils are hard-bodied organisms.
What is FALSE
_____ adds weight to soil and helps it move downhill.
What is WATER