Complexity Explorer Santa Few Institute

Origins of Life (Summer 2022)

Lead instructor: Sarah Maurer & Chris Kempes

This course is no longer in session.

5.3 Phylogenetics » Unit 5.3 Quiz

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Question 1

What do all organisms on Earth have in common?

Question 2

What does a phylogenetic tree tell us?

Question 3

Which of the following limits our ability to make inferences about relationships between past organisms?

Question 4

What do we typically use to find the root, or last common ancestor, of a phylogeny?

Question 5

Why don’t branches on a phylogenetic tree tell us the exact time that each event occurred?

Question 6

In phylogeny, what does the phrase “long branches attract each other” mean?