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What are fossils? What do they tell us a...

What are fossils? What do they tell us about the process of evolution?

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Fossils are preserved remains of living organisms from remote past. Mainly preserves only a portion of the dead organism (e.g., skeleton, bone, teeth etc..)
Fossils may vary from microscopic (single bacterial cell) to dinosaurs.
Layers of fossils are formed one after another over years. Deeper the layer where the fossil is found, older it is.
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ZEN PUBLICATION-HEREDITY AND EVOLUTION -ZEN ADDITIONAL QUESTIONS SECTION (VERY SHORT ANSWER (VSA) TYPE QUESTIONS)
  1. What percent of green-seeded plants will be yielded in the F(2) genera...

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  2. In humn beings , blue eye colour is recessive to brown eye colou. If a...

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  3. What are fossils? What do they tell us about the process of evolution?

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  4. What is gene? OR Inheritance/ herdity is possible because of a certain...

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  5. Give an example where sex is determined by environmental factors.

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  6. Why is that the unit of evolution s population, not the individual.

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  7. In a beetle population, the number of green beetles is more than red a...

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  8. An organism which is a worm, has very simple 'eyes',that are really e...

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  9. Write one word for the formation of new species due to gradual change ...

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  10. Name two human traits that show variation.

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  11. The gene for brown coloured hair is recessive that of gene for black c...

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  12. If an animal is similar to its ancestors, what does it imply?

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  13. Give the respective scientific terms used for studying: (i) the mech...

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  14. What percent of green-seeded plants will be yielded in the F(2) genera...

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  15. In humn beings , blue eye colour is recessive to brown eye colou. If a...

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  16. What are fossils ?

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  17. What is gene? OR Inheritance/ herdity is possible because of a certain...

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  18. Give an example where sex is determined by environmental factors.

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  19. Why is that the unit of evolution s population, not the individual.

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  20. In a beetle population, the number of green beetles is more than red a...

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