Scanning electron microscope (SEM): Structure and description
Introduction A microscope is used to see objects that are not visible to the naked eye. The electron microscope is a breakthrough invention in microbiology. […]
Cell membrane model: Types and definition
Introduction The thin membrane on the outside of the protoplasm of eukaryotic and prokaryotic cells is called the cell membrane. It is a major part […]
Golgi bodies or apparatus: Function and Definition
Introduction Cells are the smallest and basic unit of life for all plants and animals. Its effectiveness is wide and life is not possible without […]
Nucleus structure and function, definition
Introduction As we all know a cell is a structural unit of organisms. Each cell carries all the biological functions like respiration, nutrition, excretion, reproduction, […]
Chloroplast structure and function and definition
Introduction We are living in a diverse and colorful world. Earth is the only planet in our solar system where life sustains. The flora and […]
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 […]
How do Electric generator work? Types and Functions
Introduction Electrical energy is the main source of all kinds of development. Electricity is used in lights, fans, televisions, refrigerators, various industrial plants, transportation systems, […]
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 […]
Human digestive system
Introduction Food builds and nourishes the body and provides energy. This energy is important for the people and it helps in surviving. The energy released […]