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Theory of evolution

Answer key

1. What are fossils?

A. Amino acid chains

B. DNA

C. Preserved remains of a once living organism - answer

D. A scientist who studies fossils

 

Answer explanation - Preserved remains of a once living organism

 

2. Different species cannot reproduce and breed a fertile offspring

A. True - answer

B. False

 

Answer Explanation: Organisms of different species cannot reproduce and breed a fertile offspring because of isolating mechanisms. Isolating mechanisms can mean that species cannot reproduce or reproduce a healthy offspring.


 

3. Which are an example of fossils (more than one may be the correct answer)

A. Bones - answer

B. Footprints - answer

C. Pictures

D.Petrified wood - answer

 

Answer Explanation: Fossils are preserved remains of a once living organism. Different types of fossils are bones, footprints, petrified wood etc.

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4. What is the theory of evolution?

Answer explanation: The theory of evolution is that every living organism that exists on earth today have all come from descended organisms. The theory of evolution was discovered and researched by Charles Darwin Every organism today are all related because they come from common ancestors. Evolution is not the replacement of older species with newer species it is when new traits evolve over a period of time. Organisms leave evidence of their existence through fossils. Fossils are preserved remains of a once living organism.

 

5. What is an example of natural selection?

Answer Explanation: The peppered moth has the ability to camouflage itself against blackened tree barks. This is an example of natural selection because it has an advantage to reproduce and survive.

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