Number 5 this is due in 3 hours i’m desperate :

#4 )

The option that is a disadvantage of external fertilization is the option that states gametes may get washed away. 

#5 )

The option that is an advantage of internal fertilization is the option that states the developing zygote is protected.

The developing zygote is protected would be the correct answer
not 100% sure

The correct answer is:   bri hope this answer was ! : )