For each of the following situations, predict
whether the Hardy-Weinberg equilibrium
would be maintained after several generations.
Explain your reasoning.
(a) A population of long-tailed widow birds is
maintained at a local zoo.
(b) A population of birds lives on an isolated
island.
(c) Climate change is melting the polar ice
where polar bears live.
(d) A rat population lives in the subway system
in Toronto.