Diversity of Life

Question 1

Reconstruction and study of evolutionary relationships

Answer 1

Systematics

Question 2

What are the characteristics that all living organisms share?

Answer 2

• composed of one or more cell
• carry out metabolism
• transfer energy with ATP
• encode hereditary information in DNA

Question 3

Hypothesis about relationships among taxonomic groups

Answer 3

Phylogeny

Question 4

Types of phylogenetic trees

Answer 4

Rooted and unrooted

Question 5

This type of phylogenetic tree has a single lineage (at base) represents common ancestor

Answer 5

Rooted

Question 6

This type of phylogenetic tree show relationships but not a common ancestor

Answer 6

unrooted

Question 7

Parts of a phylogenetic tree

Answer 7

• taxon
• clade
• branch point (node)

Question 8

This refers to any branch or lineage (lines in cladogram)

Answer 8

clade

Question 9

This splitting represents single lineage evolving into two clades

Answer 9

Branch point (node)

Question 10

What does MRCA stand for?

Answer 10

Most recent common ancestor

Question 11

Father of Taxonomy

Answer 11

Carolus Linnaeus