Zoology

phylum of porifera

Phylum – Porifera

Phylum – Porifera – (Pore-bearing) Introduction: The porifers are commonly known as sponges. Porifers consisting the most primitive multicellular animals. These are pore-bearing animals, the body does not consist of organs and they can regenerate their lost parts. The phylum includes around 5ooo species. These are the first multicellular animals. Read more…

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Fertilization In Human

Reproductive system in human

Reproductive system in human Humans reproduce sexually and are viviparous (produce young ones rather than eggs). It goes through various steps and can be studied in two-part- i.e. male reproductive system and the female reproductive system The main processes in the reproductive system are the Formation of gametes, fertilization, pregnancy, and Read more…

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By pcsclasses, ago