Week 23

Question 1

What is the adequate stimulus for each of these?

Sense-

1. Acceleration
2. Balance
3. Medium flow
4. Electroreception
5. Hearing
6. Magnetoreception
7. Pressure
8. Proprioception
9. Smell
10. Taste
11. Thermoreception
12. Touch
13. Vision

Answer 1

Chemicals- 9 and 10
Electrical fields- 4
Electromagnetic waves- 11 and 13
Magnetic fields- 6
Mechanical stimuli- 1, 2, 3, 5, 7, 8 and 12.

Question 2

What is their primary/special sense?

1- Pit Viper
2- Silk moth 
3- Fennec fox
4-JUmping spider
5-Wood pigeon
6-Hammerhead shark
7- Venus flytrap

Answer 2

1- Thermoreception
2-Chemoreception
3-Hearing
4- Vision 
5-Magnetoreception
6-Electroreception
7-Mechano-reception

Question 3

Summarise Avian vocal communication:

• Sound
• Vocalisations
• Functions
• Combined signalling

Answer 3

• Sound
– Hammering, drumming, wings, feathers
• Vocalisations
– Production in syrinx; songs and calls
• Functions
– Mate attraction, warning of danger,
recruitment, territory defence
• Combined signalling
– Duets and choruses