The Arctic fox would either go extinct or it would adapt to seek out new sources of food. These could be the chicks of seabird colonies or walrus/seal pups. It could also adapt to feed on the young of its competitors. Another feeding adaptation would be to scavenge for dead animals or the kills of other predators. Thess adaptions might require behavioural and/or physical changes to be evolved.
Answer: D. Cancer
Cancer is when cells grow at an abnormal and uncontrolled rate.
All mackerel live in the water because all fish live in water and mackerel is a fish