Evidence of Evolution & Cladograms

Front

Example of a homologous structure:

• a bird wing and a bat wing
• a cat arm and a whale fin
• a dolphin fin and whale fin
• a bird wing and a butterfly wing

Back

a cat arm and a whale fin

Front

Which is an example of an analogous structure?

Back

a bat wing and a bird wing

Front

Who is the most closely related? Options: fist and bird, bird and lizard, rat and bird

Back

bird and lizard

Front

How do fossils provide evidence that evolution has happened on Earth?

Back

Fossils show how life forms present today are different than those from the past.

Front

Similarities in bone arrangements, like those in the picture, support the hypothesis that...

Back

these organisms share a common ancestor

Front

A human arm and a whale fin have similar bone structure but the whale fin is used for swimming and the arm is used for reaching and grabbing. What type of structures are these?

Back

Homologous structures

Front

What type of evidence is shown with the diagram above? Options: Molecular, Anatomical, Embryological, Fossil

Back

Embryological

Front

When comparing the DNA of two different organisms, the more differences in the DNA base pairs the more-

Back

Distantly related they are.

Front

What is the closest relative of humans shown in this diagram? Options: horse, turtle, monkey, dog

Back

monkey

Answer explanation

The the lines for human and monkey meet at a "V", which indicates their common ancestor.

Front

According to this diagram, is the pig more closely related to the dog or kangaroo?

Back

dog

Answer explanation

Dogs are closer to pigs on this diagram because they share a more recent common ancestor with pigs. Fun fact: pigs and dogs are mammals. Kangaroos are marsupials; they carry their young in a pouch.