Describe the two pieces of evidence, Biology

Assignment Help:

Describe two pieces of evidence indicating that speciation does not always occur at the same rate.

Some species of moths on the Hawaiian Islands appear to have evolved during the past thousand years, while speciation in other organisms may take millions of years. The fossil record shows that periods of a few thousand years during which lose of species appeared were separated  by much longer periods during which there was little speciation.

 


Related Discussions:- Describe the two pieces of evidence

Technique of operation, Technique of Operation :  TEE probe i...

Technique of Operation :  TEE probe is passed in all cases soon after anaesthesia. The initial steps and exposure of mitral valve are done as for open mitral valvotom

Explain zidovudine, Zidovudine Zidovudine is available alone and in fix...

Zidovudine Zidovudine is available alone and in fixed-dose combinations with lamivudine as Combivir and with lamivudine and abacavir as Trizivir. It can be given in combination

Explain the female reproductive system, Explain the Female Reproductive Sys...

Explain the Female Reproductive System? The female reproductive system consists of the primary sex organs, the ovaries, and the accessory organs necessary to effect fertilizati

What is the carbon cycle, Q. What is the carbon cycle? The carbon cycle...

Q. What is the carbon cycle? The carbon cycle represents the recycling and circulation of the chemical element carbon in nature as a result of the action of living beings. T

What is prokaryotic gene expression, What is Prokaryotic Gene Expression ? ...

What is Prokaryotic Gene Expression ? Control of prokaryotic gene expression occurs primarily at the level of transcription. Prokaryotic genes are arranged in units consisting

Explain herbicide tolerant crops in evolutionary way, Explain Herbicide to...

Explain Herbicide tolerant crops in Evolutionary way Increased use of herbicide can result in increase in development of weed resistance to that herbicide either through

Zoonoses disease-vaccinia-like disease, Vaccinia-like disease Smallpox caus...

Vaccinia-like disease Smallpox caused by variola virus (VARV) has successfully been eradicated in the last quarter of the 20th century. However, vaccinia like viruses (VLVs) , viz.

Cockroach - tracheal system, can you give brief diagram of the tracheal sys...

can you give brief diagram of the tracheal system of cockroach?

Psychopharmacology, PSYCHOPHARMACOLOGY: Psychotropic drugs are drugs u...

PSYCHOPHARMACOLOGY: Psychotropic drugs are drugs used for mentally ill patients for psychotic and neurotic condition.  1)  Antipsychotic or Neuroleptic Drugs and Anti-parki

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