What is speciation, Biology

Assignment Help:

What is speciation?

The Speciation is the process by which different species emerge from a common ancestor species. The Speciation generally begins when populations of the same species become geographically isolated, that is when they are separated by some physical barrier that disallows crossing between individuals from one population and individuals of another population.

A Group that for a long time is kept under geographical isolation tends to accumulate different phenotypical characteristics from each other by means of genetic variability (mutations and recombination) and natural selection and when those differences reach a point that makes the crossing of individuals of one group with individuals of the other group not possible or the generation of fertile offspring no longer happens it is said that speciation has occurred.

 


Related Discussions:- What is speciation

Explain brefiely the chemical equations, Explain brefiely the chemical equa...

Explain brefiely the chemical equations? Chemical Equations :  A chemical equation is a shorthand way of describing a chemical reaction. For example, in the formation of wate

Zygote and fecundation formation occur in these plants, Q. How do zygote an...

Q. How do zygote and fecundation formation occur in these plants? Do these processes depend on water? The microsporangia in the male strobile rupture at the right time of the y

What is tall t-wave, Q. What is Tall T-Wave? It has been reported that ...

Q. What is Tall T-Wave? It has been reported that tall T-wave during or after exercise indicate inferior wall ischaemia. However, Ellestad reports the findings that tall T-wav

Sources of water are to contain pathogenic bacteria, What sources of water ...

What sources of water are (a) most likely, (b) least likely to contain pathogenic bacteria?   (a) Water most likely to have pathogenic bacteria will be that which receives u

How many chromosomes in a mouse cell, Mice (Mus musculus) have 40 chromosom...

Mice (Mus musculus) have 40 chromosomes per diploid cell (2n=40). How many double- stranded DNA molecules, and how many chromosomes are there in a mouse cell that is in the G2 stag

Photosynthesis and cellular respiration, what cell organelle does photosynt...

what cell organelle does photosynthesis take place in?

What is the basic role of botanic garden, Q. What is the basic Role of Bota...

Q. What is the basic Role of Botanic Garden? A botanic garden makes us to simply enjoy the beauty and variety of nature. The pleasure of admiring turns us into good naturalists

Waste produced during surgical process, Q. Waste produced during surgical p...

Q. Waste produced during surgical process? Regular garbage: Regular garbage generated from clerical office procedures or kitchen waste should be disposed of within the usu

How sex chromosomes of the xy system -sex determination, Concerning the sex...

Concerning the sex chromosomes of the XY system which type of gamete do the male and the female individuals respectively produce? An Individual of the female sex is XX and thus

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd