AP Bio Unit 7 Review

Front

What type of speciation occurs when a new river forms and splits two populations?

Back

Allopatric speciation

Front

What are structures that share a common ancestry but may serve different functions?

Back

Homologous structures

Front

What type of speciation occurs when new species evolve from a single ancestral species while inhabiting the same geographic region?

Back

Sympatric speciation

Front

What does Charles Darwin's observation of finches on the Galápagos Islands suggest about their ancestry?

Back

They descended from a common ancestor.

Front

What does Darwin's 'I think' sketch represent?

Back

All organisms share a common ancestor.

Front

What is the term for structures that have lost their original function through evolution?

Back

Vestigial structures

Front

What type of evolution occurs when unrelated species develop similar traits due to similar environments?

Back

Convergent evolution

Front

What is the process by which species evolve in response to changes in their environment?

Back

Adaptive radiation

Front

What is the term for the variety of life in the world or in a particular habitat or ecosystem?

Back

Biodiversity

Front

What is the concept that explains how species change over time through natural selection?

Back

Evolution