You can google it and see what the meaning is and think about what real life examples are for it
The answer is beak shape of the birds. The finches evolved to have different beak shapes to be able to eat the food available on the different islands.
Answer:
Tagged fish reveal that animals migrate to avoid being eaten by predators. ... A new study now shows that fish that migrate out into the streams are less likely to be eaten by predators than fish that remain in the lake. This suggests that winter migration has been developed as an adaption against predation.
Explanation:
Answer: A is the correct answer for both 3 and 4.