A region in which members of different species meet and mate, producing at least some offspring of mixed ancestry.
What is a Hybrid Zone?
100
When a population is divided into geographically isolated subpopulations.
What is Allopatric Speciation?
100
The most recent addition to the Linnaean System
What is Domains?
100
The evolutionary history of a group of organisms can be represented in a branching diagram.
What is Phylogenetic Tree?
100
The broadest part of the Linnaean System
What is Domains?
200
Hybrid zones form when two species lacking complete barriers to reproduction come into contact.
What is Hybrid Zone Formation?
200
Speciation occurs in populations that live in the same geographic area.
What is Sympatric Speciation?
200
The most specific level in the Linnaean System
What is Species?
200
A branch point from which more than two descendant groups emerge
What is Polytomy?
200
The named taxonomic unit at any level of the hierarchy
What is Taxon?
300
Continued production of hybrid individuals.
What is Stability?
300
A condition where a species may originate from an accident during cell division that results in extra sets of chromosomes.
What is a Polyploidy?
300
The creator of the Linnaean System.
Who is Carolus Linnaeus?
300
A proposed system of classification of organisms based on evolutionary relationships
What is PhyloCode?
300
In the scientific name Panthera pardus, the Genus is....
What is Panthera?
400
The two hybridizing species become one single species.
What is Fusion?
400
A fertile polyploidy changed from a sterile hybrid.
What is an Allopolyploid?
400
The two parts too Binomial Nomenclature
What are Genus, species?
400
Groups of organisms that share an immediate common ancestor and hence are each other's closest relatives
What is Sister Taxa?
400
This century is when the Linnaean System was instituted.
What is 18th Century?
500
A process in which natural selection strengthens prezygotic barriers to reproduction, thus reducing the chances of hybrid formation
What is Reinforcement?
500
There are two species of squirrel that live on either side of the Grand Canyon, both coming from a common ancestor. This example is this kind of speciation.
What is Allopatric Speciation?
500
The scientific discipline of how organisms are named and classified.
What is Taxonomy?
500
A lineage that diverges early in the history of a group.