What is the difference between allopatric and sympatric?
Explanation: Sympatric speciation occurs when a species of organisms becomes two different species whilst inhabiting the same area.
Geographic barriers do not play a role in their divergence from one another.
Allopatric speciation occurs because of a geographical barrier such as a mountain range..
Why is allopatric speciation most common?
Allopatric speciation, the most common form of speciation, occurs when populations of a species become geographically isolated. … If the populations are relatively small, they may experience a founder effect: the populations may have contained different allelic frequencies when they were separated.
What defines a species?
A biological species is a group of organisms that can reproduce with one another in nature and produce fertile offspring. … The term species can also be defined as the most basic category in the system of taxonomy.
What is an example of gene flow?
Gene flow is the movement of genes from one population to another population. Examples of this include a bee carrying pollen from one flower population to another, or a caribou from one herd mating with members of another herd. … Genes can come in different forms called alleles.
What is allopatric speciation in biology?
Allopatric speciation occurs when a single species becomes geographically separated; each group evolves new and distinctive traits. Learning Objectives. Give examples of allopatric speciation.
What is allopatric speciation and give an example?
A major example of allopatric speciation occurred in the Galapagos finches that Charles Darwin studied. There are about 15 different species of finches on the Galapagos islands, and they each look different and have specialized beaks for eating different types of foods, such as insects, seeds, and flowers.