Biogeographic Isolation

Question 1

Charles Darwin’s study of the Galapagos finches led to an understanding of evolution. How is evolution studied? Check all of the boxes that apply.

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fossil records; DNA evidence; case studies

Question 2

Biogeographic isolation leads to ⇒ speciation, the formation of a new species.

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speciation

Question 3

Biogeographic isolation separates individuals✔ populations of a species through geographical and biological forces.

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✔ populations

Question 4

In order for speciation to occur, organisms can no longer interbreed. This is known as ✔ reproductive isolationphysical isolation.

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✔ reproductive isolation

Question 5

Step one✔ Step twoStep threeStep four The founding population becomes biogeographically isolated from the rest of its species.

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✔ Step two; The founding population becomes biogeographically isolated from the rest of its species.: Step two; Over time, the population becomes reproductively isolated from the original population.: Step four; The process begins with a founding population.: Step one; The isolated population undergoes genetic change through random mutations.: Step three

Question 6

X Step oneStep twoStep three✔ Step four Over time, the population becomes reproductively isolated from the original population.

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✔ Step four

Question 7

✔ Step oneX Step twoStep threeStep four The process begins with a founding population.

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✔ Step one

Question 8

X Step oneStep two✔ Step threeStep four The isolated population undergoes genetic change through random mutations.

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✔ Step three

Biogeographic Isolation Answers

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