Evolutionary Trees Flashcards by Janah El bayoumy

Q

what does each node repersent?

A

a speciation event

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

what does the length of a branch beneath each node repersent?

A

a common ancestor

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

why are there no primitive species?

A

all of thelineages that exist today have been evolving for the exact same length of time

How well did you know this?

1

Not at all

2

3

4

5

Perfectly