by abhishek | Aug 26, 2020 | Evolution
Electrostatic PotentialThe electrostatic potential at any point defined as the work done in bringing a unit positive charge from infinity to that point. The S.I. unit of electrostatic potential isvolt. It is denoted by symbol V. Potential DifferenceThe potential...
by abhishek | Aug 26, 2020 | Evolution
Biogenetic law is also known as Recapitulation Theory. It was postulated by Ernst Haeckel in 1866. According to the biogenetic law ontogeny recapitulates phylogeny , i.e. during the development of the animal embryo the evolutionary development of the species is...
by abhishek | Aug 26, 2020 | Evolution
The theory of ‘natural selection’ for organic evolution was given by Charles Darwin in 1858 in his famous book ‘The Origin of Species’. This theory was widely accepted by various biologists. The main postulates of Darwin’s theory of evolution are: 1. Rapid...
by abhishek | Aug 26, 2020 | Evolution
Different scientists have tried to explain the process of organic evolution. So they have given different theories for the Evolution of organisms. Out of them the names of three scientists are important Carlos Linnaeus, Jean Baptist de Lamarck and Charles Darwin but...
by abhishek | Aug 26, 2020 | Evolution
Embryology is the study of the development of the embryo of an animal. It also provides evidence for the evolution of organisms. For example, if we carefully observe the embryos of vertebrate animals like fish, tortoise, chick, rabbit and man. We will find out that...
by abhishek | Aug 26, 2020 | Evolution
Fossils are the remains of dead bodies of prehistoric plants and animals. These provide good evidence for the organic evolution. Archaeopteryx is its best example. This animal has both the characters of reptiles and birds. Archaeopteryx had feathered wings like those...
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