Question

1.what is semen ? what are the 2 advantages semen offers to sperms 2.explain the term 'double fertilization'

Answer 1

Semen is the seminal fluid produced by the seminal gonads of the male reproductive system.
The semen is an organic fluid that contains the spermatozoa. 
Benefits of semen:
- it provides the medium through which sperm can swim.
- it contains fructose, which is important fro nourishing the sperms ensuring there survival.
Double fertilization:
Double fertilization occurs especially in plants. This is where the female gametophyte is fertilized by a two male gametes.