For each situation, indicate the type of speciation described Rabbits on one isl

Question

For each situation, indicate the type of speciation described Rabbits on one island have a colder climate then rabbits on another island. Over time, the two populations of rabbits become separate species Different environments on two sides of a barrier cause populations to diverge. Hundreds of years ago true fruit flies in the America west coast only laid eggs on native hawthorns (a native apple tree), but today one group of true fruit flies lay eggs on hawthorns, and one group lay eggs on imported apples. Nine species of treehoppers (plant-feeding insects) are believed to have diversified as a consequence of changes in plant hosts used for food In plants, new species may arise quickly due to multiplication of the entire complement of chromosomes.

Explanation / Answer

Hi, the speciation is an important event whoch gives rise to newer and adapted species. There are two major types of speciation ( though 4 types 2 are important from this question perspective). The allopatric speciation occurs when members of a population are separated due to geographical barrier. These populations slowly become two different species. In sympatric speciation the newer population arise within an existing population.

1. Allopatric speciation- rabbits are separated geographically.

2. Allopatric- population are separated by barrier.

3,4,5 all are sympatric because there is no geographical seperation. Species have arisen within existing gene pool.

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