"Testes and Ovaries"
Two hormones are primarily responsible for pubic hair during puberty. Androgen and Estrogen, of which are spectively provided by the "Testes and Ovaries". Pubic hair is the bodies attempt of protecting those organs against friction with contact of skin.
Answer:
Due to a primary consumer being taken out there will be more producers and less secondary consumers because of the new tertiary consumer eating them and the lack of food for the secondary.