Short Answer Questions 18. The process of evolution ultimately depends on change

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Short Answer Questions 18. The process of evolution ultimately depends on changes that occur in the of organisms. contex, structures do not currentiy have a functio in present day 19. In an evolutionary st organisms 20. The early embryos of vertebrates follow the same pathway of development; one structure that all vertebrate embryos have in common is thewhich serves as a primitive support structure. 21. The continents were once joined in one interconnected landmass called Pangaea, but moved slowly into their current positions. The process by which the continental (tectonic) plates moved slowly over time is called

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18 :- The process of evolution ultimately depends on changes that occur in the genes of organisms.

19:- In an evolutionary context, vestigial structures do not currently have a function in present day organisms.

20 :- The early embryos of vertebrates follow the same pathway of development , one structure that all vertebrate embryos have in common is the Notocord, which serves as a primitive support structure.

21:- The continents were once joined in one interconnected landmass called pangea, but moved slowly into their current positions. The process by which the continental plates moved slowly over time is called convection cell.

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