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- Multiple ChoicePlease save your changes before editing any questions.
Fossils provide evidence of
how life and the environment has remained stable over time
how the climate and weather has remained stable over time
how the environment has changed but life has remained stable over time
how life and the environmental conditions have changed over time
- Multiple ChoicePlease save your changes before editing any questions.
Fossils such as _________________ provide evidence of past life and environmental conditions
footprints and shells
rocks and sand
hieroglyphics
rare minerals
- Multiple ChoicePlease save your changes before editing any questions.
Scientists frequently use all of the following to support the theory that organisms change over time EXCEPT
similarities in DNA
similarities in early development
similarities number of mates
similarities in body structure
- Multiple ChoicePlease save your changes before editing any questions.
Some scientists base their belief that life on Earth began about 3.5 billion years ago on ____________
the fossil record
the distance from the sun to the Earth
the time it takes to orbit the Earth
the thickness of the mantle
- Multiple ChoicePlease save your changes before editing any questions.
Scientists sometimes find trace fossils that are not the organism itself, but something left behind by an organism. Preserved feces (dung) would tell them about an organisms _________
age
sleeping habits
diet
body covering
- Multiple ChoicePlease save your changes before editing any questions.
Scientists can estimate the ages of rock if they contain certain ______________
sediments
carbons
minerals
index fossils
- Multiple ChoicePlease save your changes before editing any questions.
Why is studying fossils important?
to provide information about current life forms and environmental conditions
to provide information about how previous life forms would exist in current conditions
to provide information about how life and environmental conditions may have changed
to provide information about how current life forms would exist in previous conditions
- Multiple ChoicePlease save your changes before editing any questions.
What type of scientist study fossils to discover how life on Earth has changed or evolved over time?
zoologist
archeologist
paleontologist
biologist
- Multiple ChoicePlease save your changes before editing any questions.
When scientists analyze the fossil record, they find organisms that are similar to some organisms of today with noticeable changes. How does this help scientists to interpret the past?
It doesn’t help them at all.
It allows them to see how organisms have changed over time.
It allows them to see how organisms have remained the same over time.
It allows them to see that there is no relationship between the past and today.
- Multiple ChoicePlease save your changes before editing any questions.
How can fossils tell us about Earth’s past?
Fossils give clues about environmental changes where the organism lived.
Fossils can be used to date the time period of rocks and rock layers when the organism lived
Fossils can give clues of changes in the organism’s body structure over time.
All are true.
- Multiple ChoicePlease save your changes before editing any questions.
Scientist have found large groups of fossils of marine organisms on mountaintops. What does this tell scientists about the past?
That these rocks were once below the surface of the ocean.
That these organisms left the ocean and climbed to the top of an inland mountain to die.
That these rocks were always above the surface of an ocean.
That these rocks must have been moved there by some one else.
- Multiple ChoicePlease save your changes before editing any questions.
Over millions of years, animals have evolved in shape and size. The nautiloid is one of those animals. Which of the following is a descendent of the nautiloid found during the Cambrian period?
Bryozoans
Nautilus
Trilobites
Arthropods
- Multiple ChoicePlease save your changes before editing any questions.
Scientist have found that the tiger and the meerkat share more DNA sequences than the the tiger and the lion. This evidence for evolution suggests to scientists that the tiger and the meerkat
Both like mice.
Have different ancestors.
May share a common ancestor.
Are the same organism.
- Multiple ChoicePlease save your changes before editing any questions.
Organisms first consisted of single cells with simple cellular structure. Which kind of change does this involve?
Life on Earth
Environment on Earth
Age of Earth
- Multiple ChoicePlease save your changes before editing any questions.
Plant fossils can be discovered in regions that do not reflect the habitat this plant once thrived in years ago. Which kind of change does this involve?
Life on Earth
Environment on Earth
Age of Earth
- Multiple ChoicePlease save your changes before editing any questions.
A geologic time scale is built from a series of fossil records of different plant and animal species. Which kind of change does this involve?
Life on Earth
Environment on Earth
Age of Earth