10.3 Phylogeny

Question 1

What is phylogeny?

Answer 1

Evolutionary relationships between organisms that reveals which organisms are related and how they’re related

Question 2

What are phylogenetic trees?

Answer 2

Diagram showing evolutionary relationships between organisms

Question 3

How are phylogenetic trees produced?

Answer 3

By looking at similarities and differences in species’ physical characteristics and genetic makeup

Question 4

Advantages of phylogenic classification

Answer 4

Can be done without reference to Linnaean classification

Produces a continuous tree

Question 5

Disadvantages of Linnean classification

Answer 5

Requires discrete taxonomical groups

Hierarchal nature can be misleading, as it suggests groups within the same ranks are equivalent