Question

Which of the following is NOT a characteristic of index fossils?
a
Were abundant
b
Existed on Earth for a short period of time
c
Were widespread geographically
d
Exist on Earth for a long period of time

Answer 1

Answer:

your correct option is D hope it helps you

Answer 2

We are asked which is not a characteristic of index fossils and the answer will be d) Exist on Earth for a long period of time.

• An animal or plant preserved in the Earth's rock record that is representative of a specific geologic period or environment is an index fossil.  
• An effective index fossil must be unique or easily identifiable, plentiful, have a broad geographic distribution, and have a limited time range.
• The correlation of strata and the definition of boundaries in the geologic time scale are both based on index fossils.
• As the index fossil is easily identifiable and plentiful the first option provided ‘were abundant ‘is a characteristic of the index fossil.
• As the index fossil has a broad geographic distribution the option given ‘Were widespread geographically is also a characteristic of the index fossil.
• As the index fossil has a limited time range, the option ‘Existed on Earth for a short period of time will also be a characteristic of the index fossil.
• Only the fourth option provided ‘Exist on Earth for a long period of time will not be a characteristic of fossil fuel as these existed on earth only for a short period of time.
• Therefore, the answer will be option D) ‘exist on Earth for a long period of time ‘ will be the correct answer.

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