Analogous vs Homologous

Front

What are homologous structures?

Back

Structures in different species that are similar due to shared ancestry, even if they have different functions.

Front

True or False: Homologous structures are inherited from a common ancestor.

Back

True

Front

What is the significance of homologous structures in biology?

Back

They provide evidence for common ancestry among different species.

Front

Give an example of homologous structures in animals.

Back

The forelimbs of humans, birds, whales, and lizards.

Front

What are analogous structures?

Back

Structures in different species that have similar functions but do not share a common ancestry.

Front

True or False: Analogous structures show common ancestry.

Back

False

Front

What is an example of analogous structures?

Back

The wings of bats and the wings of insects.

Front

What is the main difference between homologous and analogous structures?

Back

Homologous structures arise from a common ancestor, while analogous structures do not.

Front

What do homologous structures indicate about the organisms that possess them?

Back

They indicate that the organisms share a common ancestor.

Front

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

Back

Vestigial structures.