What is the best explanation for the fossils found in Great Britain?

Changes occured over time for animal survival in different climates

Where do scientists find evidence that the Earth's crust has been lifted above its original level?

fossils of sea animals found on mountaintops

If fossils of all the organisms are found in one location, it best demonstrates that the ancient ecosystem

was able to support a variety of organisms.

Which changes in the environment most likely explain the different fossils?

The area went from being dry, to being very cold, to underwater over time.

Which best explains why scientists found fossils for many different mammals and green plants in a desert area?

The area was once able to support different kinds of life.

Moose can only survive in colder climates. Which would best explain finding moose fossils in an area with a warm climate

The area used to have a much colder climate.

Which of the following do the layers of different fossils suggest about the organisms?

The organisms died at different periods of time.

Which conclusion most likelyexplains why?

During an earlier time period, a river did not run through the area.

Which conclusion can be drawn based on the relative age of the fossils in the diagram?

area experienced change from a water environment to a land environment

Which conclusion is best supported by the presence of the fossils?

The area used to be underwater.

What argument can BEST be made using this diagram?

Earth's continents were once closer together.

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Unit 2: Fossils

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Answers

1
What is the best explanation for the fossils found in Great Britain?
At one point, the fossilized animals were all able to live in a hot climate
Changes occured over time for animal survival in different climates
Island was stable over time for for animal survival in moderate climates
At one point, the fossilized animals were all able to live in cold climate
2
Where do scientists find evidence that the Earth's crust has been lifted above its original level?
heavy rocks on mountain tops
heavy rocks in deep oceans
fossils of sea animals found on mountaintops
fossils of sea animals deep in oceans
3
If fossils of all the organisms are found in one location, it best demonstrates that the ancient ecosystem
experienced a mass extinction.
was able to support a variety of organisms.
was better suited to supporting only plants.
experienced a lot of instability.
4
Which changes in the environment most likely explain the different fossils?
The area went from being very hot, to being cool, to very cold over time
The area went from being cold, to being underwater, to very dry over time.
The area went from being dry, to being very cold, to underwater over time.
The area went from being very hot, to being moist, to very dry over time.
5
Which best explains why scientists found fossils for many different mammals and green plants in a desert area?
The area did not change very much over time periods.
The area had a colder climate during earlier time periods.
The area was once underwater and dried up over time.
The area was once able to support different kinds of life.
6
Moose can only survive in colder climates. Which would best explain finding moose fossils in an area with a warm climate
All organisms used to be able to survive in warm climates.
The moose migrated to a warm area to reproduce.
The area used to have a much colder climate.
The fossils were washed to the area by a current of water.
7
Which of the following do the layers of different fossils suggest about the organisms?
The organisms experienced episodic speciation.
The organisms died at different periods of time.
The organisms were victims of mass extinction.
The organisms were all genetically identical.
8
Which conclusion most likelyexplains why?
During an earlier time period, animals near the river ate all of the fish.
During an earlier time period, the river was connected to the ocean.
During an earlier time period, a river did not run through the area.
During an earlier time period, fish only lived in oceans and not in rivers.
9
Which conclusion can be drawn based on the relative age of the fossils in the diagram?
area experienced change from a water environment to a land environment
area experienced a change from a cold environment to a hot environment
area experienced a change from a hot environment to a cold environment
area experienced a change from a land environment to a water environment
10
Which conclusion is best supported by the presence of the fossils?
The climate in the area used to be much warmer.
The area was once a desert.
The fossils were carried to the area by rain runoff.
The area used to be underwater.
11
What argument can BEST be made using this diagram?
Earth's continents were once closer together.
Earth plates are in the same location today as they were million years ago.
Earth landmasses continue to erode causing animal populations to separate
Earth's surface was once under water

Unit 2: Fossils Flashcards | StudBud