AP BIOLOGY

Detailed explanation-1: -Animal migration is the large-scale movement of a species from one place to another. Most species migrate during specific seasons, in search of food or water, or for mating reasons.

Detailed explanation-2: -Many animal species migrate, including species of fish, crustaceans, amphibians, reptiles, insects, and mammals. These animals might journey by land, sea, or air to reach their destination, often crossing vast distances and in large numbers. One of the main reasons animals migrate is to find food.

Detailed explanation-3: -Humpback whales make longest migration of any mammals in the world. They travel through every parts of world ocean and cover distance of 22000 kilometers every year.

Detailed explanation-4: -New research says it’s their ability to sense Earth’s magnetic field that acts as a compass directing them in the long journey. Birds likely use magnetically sensitive proteins called cryptochromes located in their retinas that enable sensing and signalling functions, helping them in navigating these long distances.