Biology
Grade-6
Easy
Question
Which of the following objects cannot be considered as a fossil?
A million-year-old bacteria
A mosquito inside a piece of amber
A dead tree on the forest floor
An ancient bone found in an excavation
A million-year-old bacteria
A mosquito inside a piece of amber
A dead tree on the forest floor
An ancient bone found in an excavation
Hint:
The tree may get decay .
The correct answer is: A dead tree on the forest floor
A died tree on forest floor
- Fossils are the preserved remains of ancient plants and animals.
- The tree on forest floor is not too ancient and it will get decayed or destroyed.
- Fossils are preserved remains of ancient plants and animals.
- These are preserved from millions of years.
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Who studies fossils?
Who studies fossils?
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For the formation of most fossils, the organism's remains must be buried in what?
- Sediments have most of the fossils because they don't allow oxygen to pass through them.
For the formation of most fossils, the organism's remains must be buried in what?
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- Sediments have most of the fossils because they don't allow oxygen to pass through them.
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Scientists study fossils in order to
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- These provide knowledge about history of life on Earth.
Scientists study fossils in order to
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- Fossils tell about ancient world.
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Fossil record helps us to understand
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- The fossil D is present in deepest layer , so is the oldest fossil.
- The fossil B is present in upper layer than the fossil D, so is younger than D.
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- The fossil D is present in deepest layer , so is the oldest fossil.
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- The fossil which is found deepest will be oldest one.
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- The fossil which is found deepest will be oldest one.
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Which of the following specialities are used in order to create a fossil record?
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Study of fossils is known as ____________.
Study of fossils is known as ____________.
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Scientist have found the evolutionary sequence of man with the help of?
Scientist have found the evolutionary sequence of man with the help of?
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Which of the following is true regarding fossil record?
Which of the following is true regarding fossil record?
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By analyzing fossil whales, what have scientists found about whales’ evolution over time?
By analyzing fossil whales, what have scientists found about whales’ evolution over time?
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Which of the following correctly states the layers in order from youngest to oldest?
- Younger fossil will be in uppermost layer.
Which of the following correctly states the layers in order from youngest to oldest?
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- Younger fossil will be in uppermost layer.
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The basic principle used when dating fossils that are found in sedimentary is
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The basic principle used when dating fossils that are found in sedimentary is
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- The deepest fossils are the oldest fossils.
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Fossil record is incomplete because
- Fossils are continuously found and not all the animals got fossilised.
Fossil record is incomplete because
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- Fossils are continuously found and not all the animals got fossilised.
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How does fossil record support the idea that evolution occurred on Earth?
- From fossils we get information about history of life millions of years ago and can conclude the changes between life of that time and now.
How does fossil record support the idea that evolution occurred on Earth?
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- From fossils we get information about history of life millions of years ago and can conclude the changes between life of that time and now.