Evolutionary Trees

Evolutionary Trees

By Hannah Homoelle

Open Ended

Which two animals do you think are most closely related and why?

Multiple Choice

Who shares the most DNA with person IV-1?

• I-1

• II-3

• III-5

• IV-2

Multiple Choice

The lower circle represents the common ancestor between brown bears and polar bears. How long ago did it live?

• 10 million years ago

• 3 years ago

• 3 million years ago

• 15 million years ago

Multiple Choice

Which organism is most closely related to the raccoon?

• Red Panda

• Giant Panda

• Polar Bear

• Impossible to determine

​Scientists form species groups based on relatedness

​The most probable trees are the ones with the least steps

Multiple Choice

Which of the trees below is most probable?

• a

• b

• c

Multiple Choice

Acer means maple and rubrum means red. Which species is most closely related to Acer rubrum?

• Acer saccharum

• Sargocentron rubrum