Researchers put two electrodes in a pool that a dolphin swam in. ████ ███ ███████ ████ ████ ███ ███████████ ███ ███████████ █████ █████████ ██████ █ ████ ████████ █████ ██ ██████████ ███ ███████████ ███ ███████ █████ ████ ████ ██ ███ ██████████ ████ ██████████ █████████ ██ █████ █████████ ███ ███████████ ████ ██████ █ ███████ ██████ ████ █████ ██████ ██████ █████████ ██████ ███████ ██ ███ █████████ ██████ ████ ███ ██████ ████████ ███ ███████ ██ ██████ ████ ████ ████ ███ ██████████ ████ ██████████
Researchers placed electrodes in a pool with a dolphin. When activated, the electrodes created a weak electric field, causing the dolphin to swim away. When they were not activated, the dolphin behaved normally. After covering the dolphin's vibrissal crypts with a plastic shield, the dolphin no longer swam away when the electrodes were activated.
The vibrissal crypts impact a dolphin’s ability to detect electric fields.
Dolphins instinctively swim from electrical fields
The statements above, if true, ████ ████████ ███████ █████ ███ ██ ███ ██████████
In the wild, ████████ █████████ █████████ ██████ ████████ ███████
There is no information about this in the stimulus. You have to assume that because they have vibrissal crypts, there are strong electric fields in the wild.
Vibrissal crypts enable ████████ ██ █████ ████████ ███████
The experiment showed that the dolphin no longer reacted to the electrical field when the vibrissal crypts were covered. It is reasonable assume that the crypts impact the dolphin’s ability to sense electric fields.
Dolphins do not █████████████ █████ ████████ ███████ ███ ████ ███ ██ ███████ ██ ██ ███
This is antisupported. The study showed how the dolphins instinctively avoided the electric fields when they were present.
Electric fields interfere ████ ███ ██████ ███████████ ██ ███████████ █████████ ███████
This is antisupported. The plastic shields interfere with the normal functioning of vibrissal crypts. That’s why the dolphin no longer avoided the electrical field.
Under normal circumstances, ████████ ███ ██████ ██ █████ ████████ ███████
This is antisupported. Dolphins are normally able to sense electric fields. It is only when their vibrissal crypts are covered that it no longer detected them.
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