Earth 's magnetic patterns are used for finding locations by animals that migrate.
Earth s rotation and iron core creates a magnetic field much like giant magnet.
Migratory animals are dependent on the earth's rotating iron core for navigation.
Migratory animals are dependent on what feature of the interior of the Earth for navigation?
(A) rotating iron core
(B) sense organs
(C) food and shelter
(D) objects that have mass
(E) shield volcanoes
(F) magma pipes
(G) tectonic plates
(H) biodiversity