LECTURE 8 FLASHCARDS
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What trees would be considered “parsimonious”?
Trees that have fewer evolutionary changes (2 changes vs. 3 changes) - two change would be most likely
What is the biological species concept?
Groups of actually or potentially interbreeding natural populations that are reproductively isolated from such groups
What is the morphological species concept?
Defines species based on physical characteristics
What is the Ecological Species concept?
Defines species based on ecological roles and interactions
What is the Phylogenetic species concept?
Defines species based on evolutionary relationships and genetic data
What is the genotypic cluster concept?
Uses genetic data to identify cluster of individuals
What do species form via?
Speciation
What is speciation?
The process by which a single species splits into two or more distinct species over time.
What does speciation require?
Reproductive isolation (barrier to gene flow)
What is allopatric speciation?
Species split due to a geographic barrier or because some individual; moved to a different location
What is Sympatric Speciation?
Species is split by reproductive separation even though they are in the same place.