WorksheetsFossil Record
Total questions: 15
Worksheet time: 8mins
Which layer contains the oldest fossil?
Layer 1
Layer 2
Layer 3
Layer 4
Which layer contains the youngest fossil?
layer 1
layer 2
layer 3
layer 4
Organisms D and C clearly lived in an aquatic (water) environment. Organism A does not look like it lived in the water. What is the most likely explanation for this?
The fossil in layer A died on land and was carried to the water
The fossils in layer C and D did not live in the same location as the fossil in layer A
The environment changed over a long period of time. It used to be under water, but is not anymore
What is a likely event that occurred between fossil layers B and D?
explosion of new species
mass extinction
can not tell from the image
small changes to the environment
In what time period were there giant bugs? Dragonflies were 2 feet long and cockroaches were a foot long!
Cambrian
Ordovician
Carboniferous (Pennsylvanian)
Quaternary
Tiktaalik is evidence for the evolutionary transition of fish to land and is the first amphibian during what time period?
Cambrain
Carboniferous
Triassic
Devonian
The T-Rex existed when?
Triassic
Jurassic
Cretaceous
Quaternary
The ice age with mammoths, sabertooth tigers, and Sid existed when?
Quaternary
Pennsylvianian
Silurian
Mississippian
When did the first vascular land plants evolve?
Ordovician
Silurian
Devonian
Pennsylvanian
During what time period did pangea break apart?
Cambrain
Silurian
Cretaceous
Jurassic
Besides cyanobacteria, the horseshoe crab is the oldest species alive today (445 million years old). When did it evolve?
Triassic
Carboniferous
Devonian
Ordovician
