Evidence of Evolution and Cladogram

Front

What is the reason humans, birds, whales, and lizards have similar arm bones?

Back

They have a common ancestor.

Front

What are structures that have the same function but did NOT come from a common ancestor?

Back

Analogous structures.

Front

What are homologous structures?

Back

Structures that are similar in different species due to shared ancestry.

Front

What are vestigial structures?

Back

Body parts that have lost their original function through evolution.

Front

Who developed the theory of natural selection?

Back

Charles Darwin.

Front

What is a cladogram?

Back

A diagram that shows the evolutionary relationships among various biological species.

Front

What is the significance of homologous structures in evolution?

Back

They provide evidence of common ancestry among species.

Front

What is the difference between homologous and analogous structures?

Back

Homologous structures share a common ancestry, while analogous structures do not.

Front

What is an example of a vestigial structure in humans?

Back

The appendix.

Front

What do scientists use to determine evolutionary relationships?

Back

Cladograms and phylogenetic trees.