Phylogeney

Question 1

Descent with modification means that all organisms are descended from a ______. Modification is a result of DNA mutations that are inherited

Answer 1

Descent with modification means that all organisms are descended from a common ancestor. Modification is a result of DNA mutations that are inherited

Question 2

Morphology is the mechanism that underlies evolution and is defined as a process in which individuals that have certain inherited traits tend to survive and reproduce at high rates than other individuals because of those trait
study of the ______ and _____ of organisms and their specific structural features

Answer 2

Morphology is the mechanism that underlies evolution and is defined as a process in which individuals that have certain inherited traits tend to survive and reproduce at high rates than other individuals because of those trait
study of the form and structure of organisms and their specific structural features

Question 3

Phylogenetic tree organize relationships among organisms using ______ with nodes that represent common ancestors. The construction of trees may use _____, _______ or__________ as sources of data. Relationships are constantly changing based on new evidence.
phylogenetic tree depict ______ relationship

Answer 3

Phylogenetic tree organize relationships among organisms using branches with nodes that represent common ancestors. The construction of trees may use DNA, modern morphology or ancient fossil morphology as sources of data. Relationships are constantly changing based on new evidence.
phylogenetic tree depict evolutionary relationship

Question 4

polytomy: an unresolved pattern of _____

Answer 4

polytomy: an unresolved pattern of divergence

Question 5

Each ______ (also called an internal _____) represents a divergence event

Answer 5

Each node (also called an internal node) represents a divergence event

Question 6

In a ______ tree, the species or groups of interest are found at the tips of lines referred to as the tree’s branches.

Answer 6

In a phylogenetic tree, the species or groups of interest are found at the tips of lines referred to as the tree’s branches.

Question 7

In Linnanean system, species are grouped in increasingly broad taxa whereas in phylogenic trees, information is based entirely on the evolutionary relationship.

Answer 7

In Linnanean system, species are grouped in increasingly broad taxa whereas in phylogenic trees, information is based entirely on the evolutionary relationship.

Question 8

_______ traits are the result of descent with modification

_______ traits are the result of convergent evolution

Answer 8

Homologous traits are the result of descent with modification
Analogous traits are the result of convergent evolution

Question 9

phylogenies are inferred from _______ and molecular data

Answer 9

phylogenies are inferred from morphological and molecular data