List 3 negative impacts that overpopulation can have on a population!!

Ryan rears sheep for their wool. recently the quantity of wool that ryan gets has diminished. this is because the new sheep are not that wooly. ryan should add which nutrient to their feed so that the sheep becomes more wooly? a.cornb.ironc.cottonseedd. vitamin a

What did the first language sound like

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.