Zoology Guru

From spider males and their allegedly numb genitalia

Thinking about how animals mate, one might at first think about the way that mammals do it. But what do we know about how other animals re...

The sponges are structurally primitive animals, very ancient as a group and only distantly related to the animals of other groups. They a...

• Definition: The process of maturation and differentiation of PGC to oogonia, primary oocytes, secondary oocytes and to mature ova in the ...

The process of formation of gametes is called “gametogenesis”. The gametes are derived from primordial germ cells/ primitive sex cells. ...

• Genes are carriers of blueprints for formation of cells, tissues, organs, and organism. Genes are made up of a nucleic acid called deoxyr...

• It is the science that deals with the processes and regulations in the prenatal growth and development of an organism/individual in the f...

Development is the process where someone or something grows or changes and becomes more advanced.Human development is a continuous process ...