PUZZLE - 3 on HEREDITY

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Across
  1. 3. it is a sudden change in the genes of a small population caused by disasters.
  2. 7. a type of evolution occurs through homologous organs.
  3. 9. these are the organs similar in function & different in structure.
  4. 11. it is a theory of evolution, which indicates that the inheritance of acquired characters.
Down
  1. 1. a scientist who proposed a theory which the Nature's role in the selection of organisms in the survival process.
  2. 2. a scientist who proved that bodily changes can not be transmitted from parents to children.
  3. 4. an example-animal for the Divergent evolution.
  4. 5. these are the organs similar in structure & different in function.
  5. 6. it is a theory of evolution, also known as Natural selection.
  6. 8. an animal used in evolutionary experiments by weismann.
  7. 10. a scientist who proposed a theory of evolution which was proved wrong.