Which of the following is used by loggerhead turtles as a guide for navigation?

A) Gravity
B) Odors
C) Magnetic fields
D) Temperature
E) Stars

Magnetic Fields

Invisible fields that exert force on objects possessing a magnetic moment, including ferromagnetic materials and moving electric charges.

Loggerhead Turtles

Marine turtles known for their large heads and powerful jaw muscles, which are listed as an endangered species under threat from habitat loss and bycatch in fishing gear.

Gravity

A force of attraction that exists between any two masses, any two bodies, any two particles.