How Long Did It Take The Earth To Recover From Past Mass Extinctions
It took millions of years to recover from mass extinction and for developing biodiversity. The most severe mass extinctions took... View Article
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Why Are Mass Extinctions Important
Mass extinction reduces the diversity greatly but it plays an important role in the evolution process. Mass extinctions create new... View Article
What Are The 5 Mass Extinctions
The mass extinction refers to a catastrophic event, which wiped out most of the species living on the earth at... View Article
What Is The Main Driver Of Adaptive Radiation
The main driving force for adaptive radiation is the new adaptive zone or ecological opportunity. Organisms get adapted to the... View Article
What Is A Convergent Trait
Analogous structures are an example of a convergent trait. Here different structures evolve to perform the same function and hence... View Article
What Do You Mean By Divergent Evolution
Divergent evolution refers to the process by which different organisms having common ancestors develop different traits to adapt to varying... View Article
What Does Positive Selection Mean
Positive selection refers to an increase in the frequency of the beneficial trait in a population and it leads to... View Article
Are All Traits Adaptive
Adaptive traits evolve through natural selection. An adaptive trait is heritable, functional, maximises its reproductive capacity and makes an organism... View Article
What Is An Adaptive Heritable Trait
An adaptive heritable trait is a genetic trait, which has evolved through natural selection and plays a functional role. It... View Article
Who Were The First Mammals
The first mammals were like shrews. Morganucodontids were thought to be one of the first mammals to evolve. They evolved... View Article
What Is The Purpose Structure And Function Of The Central Nervous System
Central nervous system or CNS is the main command and control centre of the body. It is responsible for all... View Article
What Is The Most Important Function Of Cell Membrane
The most important function of the cell membrane is to maintain cellular integrity and transport of molecules inside and outside... View Article
What Is The Function Of The Ribosomes On The Endoplasmic Reticulum
Ribosomes are present on the surface of rough endoplasmic reticulum. They are involved in the process of translation, i.e. protein... View Article
What Is The First Part Of Cell Theory
The cell theory was proposed by Schleiden and Schwann. The first part states that all living organisms are composed of... View Article
What Is The Difference Between Primary And Secondary Xylem
Xylem is the main water conducting tissue. Primary xylem is derived from the primary meristem, i.e. procambium. It is of... View Article
What Is The Circulatory System In Mammals
The circulatory system of mammals is closed type. The blood from the heart passes through a closed network of blood... View Article
What Is The Best Known Prokaryote
Bacteria are the best known prokaryotes. They are unicellular and lack membrane-bound organelles and nuclei. They are beneficial as well... View Article
What Is So Special About Fungi
Fungi are separately categorised in a kingdom. They have a cell wall, like plants but are heterotrophic, like animals. The... View Article
What Is Scorpioid Cyme
It is a type of monochasial cyme, where only one lateral branch arises from the base of the terminal flower.... View Article
What Is Polymorphism In Lysosome
Lysosomes are polymorphic as they are present in more than one form inside the cell. Lysosomes are derived from vesicles... View Article
