What are the three layers of earth?
Introduction At the beginning of the creation of the solar system, the earth was a hot gas ball. It is located at the third position […]
Geography
Nitrogen cycle definition and description
Introduction About 40 types of basic elements are needed to sustain life on earth and among these, there are 6 elements that lay a vital […]
How are mountains formed?
Introduction The earth’s crust takes various forms due to its origins and various effects of corrosive forces as a result, different parts of the earth’s […]
Homologous vs Analogous organs
Introduction In ancient times, people used to think that the world had not changed. There is no such concept of evolution and origin. In the […]
Darwin’s evolution theory or Darwinism
Introduction The word evolution comes from the Latin word evolvere. That means gradual development. Evolution refers to the process by which a simple organism evolves […]
Lamarck’s evolution theory or Lamarckism
Introduction In 1809, the French biologist Lamarck published the first modern theory of evolution in his book ‘Philosophie Zoologique’. Lamarck’s evolution theory states that all […]
Darwinism vs Lamarckism theory of evolution: definition and differences
Introduction Evolution is an important part of Earth’s history. There are various theories of evolution like Lamarck’s and Darwin’s theory of evolution. Evolution sheds considerable […]