Question

what is difference between sperm and ovum?. why reproduction is essential for our life...

Answer 1

Sperm is the gamete that is produced in the testis of a male, whereasovum is the gamete that is produced in the ovary of a female. The gametes can be described as a reproductive cell bearing a single set of unpaired chromosomes. ... On the other hand, sperm cells are the complete opposite of egg cells...

reproduction is a biological process by which living organisms produce offspring's similar to them. ... Reproduction is important for thesurvival of all living things. Without a mechanism for reproduction, life 
would come to an end.

Answer 2

sperm is a gamete that produced testis
ovum is a gamete produced in the ovary