a beach is a kind of location & if humans disturb animals in a location then those animals will move to a different location ->  if humans disturb animals at a beach then those animals will move to a different beach  if humans disturb animals at a beach then those animals will move to a different beach & a seal is a kind of animal ->  if humans disturb seals at a beach then those seals will go to a different beach  if humans disturb seals at a beach then those seals will go to a different beach & seals every year return to the same beaches to give birth -> if seals are disturbed by humans at the beaches they give birth at then those seals will give birth at different beaches