EVOLUTION
THE ORIGIN OF LIFE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
physical evolution
|
|
|
organic evolution
|
|
|
chemical evolution
|
|
|
microevolution
|
Detailed explanation-1: -abiogenesis, the idea that life arose from nonlife more than 3.5 billion years ago on Earth.
Detailed explanation-2: -The modern theory of chemical evolution is based on the assumption that on a primitive earth a mixture of simple chemicals assembled into more complex molecular systems, from which, eventually came the first functioning cell(s).
Detailed explanation-3: -Chemical evolution refers to changes in things that need not be capable of reproduction. Examples could be individual molecules, or entire chemical systems. A chemical system is a group of molecules that interact with each other.
Detailed explanation-4: -The theory of chemical evolution was proposed by Aleksandr Ivanovich Oparin and J.B.S Haldane in 1992.
Detailed explanation-5: -According to chemical theory of origin of life proposed by Oparin and Haldane, there formed the evolution of chemical substances that preceded the actual origin of life.