Biological Evidence of Evolution

Front

What has molecular biology confirmed about evolution?

Back

Molecular biology has confirmed and extended much of the data already collected about evolution.

Front

What are body parts that perform a similar function but differ in structure called?

Back

Analogous structures.

Front

What do differences in the structure of bird and fly wings indicate about their relationship?

Back

Birds and flies are not closely related.

Front

What are body parts that have lost their original functions through evolution called?

Back

Vestigial structures.

Front

Which organism has the greatest differences in the number of amino acids in cytochrome c compared to humans?

Back

Yeast.

Front

What is the significance of analogous structures in evolutionary biology?

Back

They indicate convergent evolution, where different species evolve similar traits independently.

Front

What is the role of vestigial structures in understanding evolution?

Back

They provide evidence of an organism's evolutionary past and show how species have adapted over time.

Front

How does molecular evidence support the theory of evolution?

Back

Molecular evidence, such as DNA and protein comparisons, shows genetic similarities and differences that reflect evolutionary relationships.

Front

What is the difference between homologous and analogous structures?

Back

Homologous structures share a common ancestry but may serve different functions, while analogous structures serve similar functions but do not share a common ancestry.

Front

What does the presence of vestigial structures suggest about an organism's ancestors?

Back

It suggests that the ancestors of the organism had different functions for those structures.