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?

What thiamine defiency will result in decreased activity, A thiamine defien...

A thiamine defiency will result in decreased activity of: -G-6 phosphase -transketolase -fructokinase

Illustrate about mylohyoid muscle, Mylohyoid muscle Surgical manipulati...

Mylohyoid muscle Surgical manipulation at the crest of a severely resorbed ridge may injure the mylohyoid muscle. Manipulation of the tissues of the floor of the mouth for plac

Composition of cell membrane, COMPOSITION Proteins = 44-76%,  Lipids...

COMPOSITION Proteins = 44-76%,  Lipids = 20-53%,      Carbohydrates = 1-8%,  (Protein-Lipid ratio = 0.8 : 1 to 4 : 1) Most of lipid are "Phospholipids" which are amphipat

What are the respective functions of phospholipids, Q. What are the respect...

Q. What are the respective functions of phospholipids, carbohydrates and proteins of the cell membrane? Membrane phospholipids have a structural function they form the bilipid

What are the major functions of fruits, What are the major functions of fru...

What are the major functions of fruits? The major functions of fruits are the protection and spreading of seeds.

How do placental mammals reproduce, How do placental mammals reproduce? ...

How do placental mammals reproduce? Placental mammals reproduce sexually, they have internal fecundation and they are viviparous, i.e., their embryo creates within the mother's

Merits of micro propagation, Merits of Micro Propagation The special m...

Merits of Micro Propagation The special merits of micro propagation are: 1. It considerably increases the rate of multiplication 2. High rate of multiplication can be ma

Explain denaturation and coagulation, Explain Denaturation and coagulation ...

Explain Denaturation and coagulation Denaturation and coagulation of the proteins are considered to be the chemical changes, since they involve the unfolding of proteins, whic

Define natural gums - hydrocolloids, Natural Gums These are derived fro...

Natural Gums These are derived from various plant as well as microbial sources and are divided into the following four basic categories: 1.  Seaweed gums:   Agar, Alginate,

Define traditional cycle of root canal treatment, Define Traditional Cycle ...

Define Traditional Cycle of Root Canal Treatment The traditional cycle of Root Canal Treatment a) Dig in the tooth to make a big hole b) Then, look through this hole to f

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