0
A population that becomes divided (isolated) by a physical barrier, allowing each of the separated groups an independent evolutionary path.
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
What are three ways isolation occur?
1. When new species form.2. When a group is separated from the rest of its species.3. When members of the isolated group can no longer mate with the rest of species.
Which increase speciation?
Geographic isolation Low geneflow.
Why does geographic isolation cause speciation (Apex)?
it prevents gene flow between populations
Does geographic isolation contribute to evolution-?
A geographic barrier eg mountain range, river, ocean, desert, can split a species into two populations which can no longer mix with each other. By splitting up a species into two separate populations a geographic barrier can lead to the formation of a new species. The two separate populations start to develop in isolation from each other. Different mutations will occur in the two populations and natural selection will adapt them to the slightly different conditions in the two areas. Given enough time the two populations will become so different that if they are brought together again they will no longer be able to interbreed ie they will have become two different species. This is called allopatric speciation.
What is the difference between geographic isolation and habitat differentiation?
Geographic isolation is when a population is separated by a river/canyon or some impassable terrain. Habitat isolation is when members of a population live in a different type of habitat, say some live in the forest at the bottom of the mountain, while others live further up the mountain. These would then become different populations and evolve to perhaps form two different species.
How do you use geographic isolation in a sentence?
The geographic isolation of the island led to the development of unique species found nowhere else in the world.
What does geographic isolation lead to?
Reproductive isolation
The geographic isolation of a people frequently reinforcesThe geographic isolation of a people frequently reinforces?
cultural traditions and practices, and can lead to the development of unique languages and belief systems within that population. Additionally, isolation may also contribute to genetic diversity or specific adaptations that help the group survive in their environment.
What is type of isolation that prevents easterns and western meadowlarks from interbreeding?
Geographic isolation.
What type of isolation that prevents eastern and western meadowlarks from interbreeding?
Geographic isolation.
Allopatric speciation requires?
geographic isolation.
What is geographic isolation and what can it lead to?
development of trade
What are three ways isolation occur?
1. When new species form.2. When a group is separated from the rest of its species.3. When members of the isolated group can no longer mate with the rest of species.
Why does Geographic isolation occur?
It can be by geological means (i.e. earthquakes, floods, mountains and other other geographic barriers) or population dispersal. It can also be caused by human activity that splits a population, causing geographic isolation.
Sympatric speciation specifically excludes?
Geographic Isolation
This condition may be either geographic or reproductive?
Isolation
What is another name for geographic isolation?
allopatric separation
