Some animals, such as the Galápagos tortoise (Geochelone nigra), live their entire lives in one place. Others, such as the monarch butterfly (Sanaus plexippus) and Arctic tern (Sterna paradisaea), migrate. Animals have adapted to migrate based on seasonal or geographic variations. Humans have added barriers to this process by building roads across major migration routes or eliminating or minimizing food sources along the way. Efforts to reduce human impacts include creating migration corridors, installing wildlife-friendly fencing, protecting breeding beaches, or building animal only bridges or tunnels across roads.
Take your students on this journey with these classroom resources.
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