void ExecuteTurn()
{
predator.ExecuteTurn();
for (int i = preys.Count - 1; i >= 0; i--)
{
Prey prey = preys[i];
if (prey != null)
{
prey.ExecuteTurn();
}
else
{
preys.RemoveAt(i);
}
}
preysLeft = preys.Count;
currentTurn++;
}
