Blood

Blood Blood is a fluid which circulates in a closed system of blood vessels, in multicellular and highly complex vertebrate animals. Blood consists of a pale yellow fluid called plasma and solid elements ...

Methods of taxonomy

Phenetic method or Numerical taxonomy This method involves clustering or grouping of individuals of a taxon or several taxa. Based on overall similarity, identifications are being made. The desired size of the clusters or groupings is called the ...

Taxa and species

While grouping or arranging the organisms, a biologist faces three scientific ideas, namely taxonomy, systematics and classification. These disciplines though appear similar have slight deviations in their meaning. The term taxonomy is a Greek word. Its components ...

Living Cell

The cell is the basic structural and functional unit in all living organisms. Living forms vary in size but they are all made up of cells. In unicellular organisms, the cell is the organ. As an organism grow in complexity, ...