Fundamental principles of phylogeny

Question 1

Evolution

Answer 1

The scientific theory that describes changes in a species over time and their sacred ancestry.

Question 2

Phylogeny

Answer 2

The study of the evolutionary relatedness between, and among species.

Question 3

Phylogenic tree

Answer 3

A diagram depicting the evolutionary relationships between different species or groups.

Question 4

Clade

Answer 4

A taxonomic group that includes a single common ancestor and all its descendants.

Question 5

Homology

Answer 5

Similarity due to shared ancestry between a pair of structures or genes in different taxonomic groups.

Question 6

Natural selection

Answer 6

Selection of species over others based on their reproductive fitness.

Question 7

Artificial selection

Answer 7

Controlled selection of specific traits in organisms.

Question 8

Meiosis

Answer 8

Process where a single cell divides twice to produce four cells contains half the original amount of genetic information.