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Scientists have found fossils of tropical plants in Antarctica. How could tropical plants have grown in Antarctica.
At one time, Antarctica was located closer to the equator
In which stage of the rock cycle shown above would you predict the formation of fossils
Sediments to sedimentary rock
Which technique has helped scientists more accurately determine the age of fossils and draw conclusions about changes in organisms over time
Radioactive dating
A scientist observes several different fossils in a rock layer. Based on this observation, which is the best conclusion
The fossils formed about the same time as the rock layer in which they were found
A researcher found shark fossils on top of a mountain. This evidence suggests which of the following about this region
It was once covered by an ocean
Index fossils help scientists estimate the age of a rock because index fossil species only existed for a relatively short time. What happened to the species that are now used as index fossils.
They became extinct
Fossils of clam shells were found in the Appalachian Mountains. Which of these statements best explains why the clam shells were found in the Appalachian Mountains.
The mountain range was once under water
The fossil of a land-dwelling animal was found on South America and Africa. What does this evidence suggest.
The two continents were once joined as part of a larger continent
Why do scientists study fossils
To understand life on earth as it was millions of years ago
What will most likely happen to the fossil record if an unconformity occurs
There would be a gap in the geologic record
In estimating the age of fossil specimens, an important concept is that
in undisturbed layers of the earth's crust the oldest layers are the deepest and each succeeding layer in younger than the one below it.
Earthquake activity in California is primarily caused by
plates grinding past each other along active faults
which of these is an immediate result of the movement to t]o
earthquakes
which feature would most likely be forming at converging continental tectonic plate boundaries
uplifted mountain
which landform would most likely be created when two oceanic plates converge
a chain of continental mountsins