Magnetoreception Essay

Question 1

magnetic sense used in robins to migrate

Answer 1

Wiltschko and Wiltschko 1972

using Kramer cages

Question 2

magnetic sense in bats

Answer 2

Wang et al 2007

manipulated magnetic field in roost box, switched ends when horizontal component switched

Question 3

magnetic sense in bees

Answer 3

Gould et al 1978

magnetic field affects waggle dance

new hive - roost in same corner, but not if field switched

Question 4

magnetite crystal found in cetacean

Answer 4

Bauer et al 1985

Question 5

magnetite crystal able to produce enough torque to trigger impulse in trout

Answer 5

Eder et al 2012

Question 6

salamander loses magnetic ability without certain wavelengths of light

Answer 6

John and Borland 1992

Question 7

Turtles light dependent compass, but not in hatchlings

Answer 7

Lohmann and Lohmann 1993

Question 8

discovery of MagR

Answer 8

Xie et al 2016

row or iron-based magnetised molecules surrounded by a helix of cryptochrome particles

also found MagR in monarch butterflies, minke whales

Question 9

loggerhead in tank - manipulate magnetic field to simulate positions in N. Atlantic Gyre

Answer 9

Lohmann et al 2001

Question 10

fruit flies requires UV to complete magnetic task

Answer 10

Gegear et al 2008