Which evidence shows that an organism existed on Earth earlier but does not exist now?
Answer and explanation
Correct answer: Fossil
The governing concept is fossil evidence of evolution and extinction. A fossil is a preserved body part, impression, footprint or other trace of an organism that lived in the past. If such evidence belongs to a species with no living representatives today, it supports the conclusion that the species existed earlier but is now extinct. Sweat, saliva and blood pressure are features of living organisms and cannot by themselves provide this historical evidence. Therefore A is correct.
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What is the correct answer to this question?
Fossil
Why is this the correct answer?
The governing concept is fossil evidence of evolution and extinction. A fossil is a preserved body part, impression, footprint or other trace of an organism that lived in the past. If such evidence belongs to a species with no living representatives today, it supports the conclusion that the species existed earlier but is now extinct. Sweat, saliva and blood pressure are features of living organisms and cannot by themselves provide this historical evidence. Therefore A is correct.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Heredity and Evolution.
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