Rhythmic contractions of the male and female reproductive structures occur during the phase.

To complete the sentence: Rhythmic contractions of the male and female reproductive structures occur during the orgasmic phase. It is the rhythmic contraction of the bulbospongiosus and ischiocavernosis muscles. This is happening during an intercourse. I hope this answer helped.

Yes the correct answer would be a. direct contact

If you remove all the lions from the savanna it will lead to a increase of gazelle and a increase of cheetahs becasue of no competition