The statement that could challenge the evolutionary view of the history of life on Earth is: "The mitochondrial DNA of the medium ground finch in the Galápagos is identical to a bird species in Europe."

Here's why:

a) Coal deposits in Antarctica: This doesn't challenge the evolutionary view. Coal is formed from the remains of plants that lived and died millions of years ago. Antarctica was once a lush, green continent before it moved to its current location at the South Pole.

b) Identical mitochondrial DNA in different species: This could challenge the evolutionary view. Evolution suggests that species evolve and adapt to their environments over time, leading to genetic differences. If two species from different locations have identical mitochondrial DNA, it could suggest that they haven't evolved separately as expected.

c) Similar adaptations in different species: This doesn't challenge the evolutionary view. It's an example of convergent evolution, where different species develop similar traits or behaviors because they live in similar environments or have similar needs, not because they share a common ancestor.

d) Horse fossils in North America: This doesn't challenge the evolutionary view. Horses actually originated in North America and spread to other parts of the world before going extinct in their homeland. They were reintroduced to the continent by European explorers in the 15th century.

Question

The statement that could challenge the evolutionary view of the history of life on Earth is: "The mitochondrial DNA of the medium ground finch in the Galápagos is identical to a bird species in Europe."

Here's why:

a) Coal deposits in Antarctica: This doesn't challenge the evolutionary view. Coal is formed from the remains of plants that lived and died millions of years ago. Antarctica was once a lush, green continent before it moved to its current location at the South Pole.

b) Identical mitochondrial DNA in different species: This could challenge the evolutionary view. Evolution suggests that species evolve and adapt to their environments over time, leading to genetic differences. If two species from different locations have identical mitochondrial DNA, it could suggest that they haven't evolved separately as expected.

c) Similar adaptations in different species: This doesn't challenge the evolutionary view. It's an example of convergent evolution, where different species develop similar traits or behaviors because they live in similar environments or have similar needs, not because they share a common ancestor.

d) Horse fossils in North America: This doesn't challenge the evolutionary view. Horses actually originated in North America and spread to other parts of the world before going extinct in their homeland. They were reintroduced to the continent by European explorers in the 15th century.

Knowee AI · Accepted Answer

The statement that could challenge the evolutionary view of the history of life on Earth is: "The mitochondrial DNA of the medium ground finch in the Galápagos is identical to a bird species in Europe."

Here's why:

a) Coal deposits in Antarctica: This doesn't challenge the evolutionary view. Coal is formed from the remains of plants that lived and died millions of years ago. Antarctica was once a lush, green continent before it moved to its current location at the South Pole.

b) Identical mitochondrial DNA in different species: This could challenge the evolutionary view. Evolution suggests that species evolve and adapt to their environments over time, leading to genetic differences. If two species from different locations have identical mitochondrial DNA, it could suggest that they haven't evolved separately as expected.

c) Similar adaptations in different species: This doesn't challenge the evolutionary view. It's an example of convergent evolution, where different species develop similar traits or behaviors because they live in similar environments or have similar needs, not because they share a common ancestor.

d) Horse fossils in North America: This doesn't challenge the evolutionary view. Horses actually originated in North America and spread to other parts of the world before going extinct in their homeland. They were reintroduced to the continent by European explorers in the 15th century.

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