9D - Speciation Flashcards
1
Q
species
A
A group of individuals who are able to breed with each other and produce viable and fertile offspring.
2
Q
allopatric speciation
A
The geographic separation of a population from a parent population resulting in the formation of a new species.
3
Q
sympatric speciation
A
The divergence of a species from an original species without the presence of a geographical barrier.
4
Q
viable
A
Able to survive.
5
Q
fertile
A
The ability to produce offspring.
6
Q
geographic barrier
A
A physical factor that prevents gene flow, and thereby stops two populations from breeding together.
7
Q
ecological niche
A
The specific environmental conditions and resources or selection pressures within a particular environment.
8
Q
polypoidy
A
When an organism contains additional sets of chromosomes in its genome.
