When did life appear on earth?, Biology

Assignment Help:

When did life appear on earth?

It is estimated that the life on earth emerged about 3.5 billion years ago, thus 1 billion years after the formation of the planet.

 


Related Discussions:- When did life appear on earth?

Diseases related with kidney, DISEASE CONCERNED WITH KIDNEY - 1.      P...

DISEASE CONCERNED WITH KIDNEY - 1.      Paget's disease - Abnormalities of kidney. 2.      Uramia - Increases in quantity of urea. 3.      Nephritis - Inflamation in glom

Intermediate filaments - cytoskeletal structures, INTERMEDI A T E FILAME...

INTERMEDI A T E FILAMENTS These are non-living structures. Made up of different types of protein eg. Keratin, synemin, desmin and vimentin. These are divided into four

Digestion of carbohydrates, Digestion of Carbohydrates Digestion of foo...

Digestion of Carbohydrates Digestion of food starts in the mouth  itself by the action  of  enzyme  salivary  amylase  and  the  carbohydrates present  in  the food, particular

Use of neurotensin in consciousness, Q. Use of Neurotensin in consciousness...

Q. Use of Neurotensin in consciousness? Although little is known about the role of this peptide during the sleep-wake cycle, it has recently been shown that neurotensin injecti

Define complete and simple circulation, Q. Why is the fish circulation clas...

Q. Why is the fish circulation classified as a complete and simple circulation? Simple circulation is that in which the blood circulates only in one circuit as opposed to the d

Show signs and symptoms and treatments of hepatitis a, Q. What are the mode...

Q. What are the modes of transmission, main signs and symptoms and treatments of hepatitis A? The Hepatitis A is an acute disease of low mortality caused by the hepatitis A vir

Define food business and food technology, Define Food Business and Food Tec...

Define Food Business and Food Technology? The food business and food technology are practically inseparable. The food business may be characterized as: vulnerable to spoilage,

Six-membered oxygen-containing ring is referred as, A cyclic hemiacetal wit...

A cyclic hemiacetal with a six-membered oxygen-containing ring is referred to as a(n): Select one: a. aldehyde. b. pyranose. c. ketopentose. d. furanose. e. sorbi

Ethylene production - responses to infection, Ethylene production - Res...

Ethylene production - Responses to Infection Ethylene is also induced in response to infection. It is also known to be produced under other stress conditions like wounding

Explain about the importance of vitamins, Explain about the Importance of V...

Explain about the Importance of Vitamins? Vitamins are the organic substances that act as coenzyme and/or regulator of metabolic processes. There are 13 known vitamins, most of

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