Animals' Hidden Senses

Science and Technology · 10 questions

Versions of the senses you were simply never issued.

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1. Which sense do migrating birds are thought to navigate with?

   1. A memory for scents
   2. A sense of magnetic fields
   3. Echoes of their own calls
   4. Changes in air pressure
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   B) A sense of magnetic fields

2. What do the special pits of some snakes detect in the dark?

   1. Sound vibration
   2. Magnetic fields
   3. Infrared heat
   4. Electric current
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   C) Infrared heat

3. What lets sharks sense the electricity given off by muscles?

   1. Electroreceptors
   2. Echolocation organs
   3. Thermoreceptors
   4. Chemoreceptors
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   A) Electroreceptors

4. Which light, invisible to humans, can bees see?

   1. Infrared
   2. X-rays
   3. Radio waves
   4. Ultraviolet
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   D) Ultraviolet

5. How do elephants communicate over long distances?

   1. By releasing scent markers
   2. By scratching the ground
   3. By changing colour
   4. With very low frequency sound
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   D) With very low frequency sound

6. What is the tardigrade best known for?

   1. Being remarkably fast
   2. Surviving extreme conditions
   3. Being able to fly
   4. Glowing in the dark
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   B) Surviving extreme conditions

7. How do dolphins map their surroundings?

   1. With a magnetic compass
   2. By scanning electric fields
   3. By listening to their own echoes
   4. By following scent trails
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   C) By listening to their own echoes

8. Some birds are thought to perceive Earth's magnetic field visually.

   1. True
   2. False
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   A) True

9. Cats cannot taste sweetness.

   1. True
   2. False
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   A) True

10. Fish make no sounds at all.

    1. True
    2. False
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    B) False