Sensory systems and behaviour
10 important questions on Sensory systems and behaviour
What is understood with perceptions?
What are chemosensory systems?
- Taste: gustatory receptors detect dissolved molecules
- Smell: olfactory receptors detect airborne molecules
What is true about scent tracking in humans?
The poor reputation of human olfaction may reflect, in part, behavioral demands rather than ultimate abilities
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What are the functions of photoreception?
- Light detection
- Image formation
- Colour discrimination
What is true about opsin genes in primates?
In new world monkeys, males are always dichromat (can see two colours), and females are in homozygous state dichromat and in heterozygote state trichromat
Dichromasy is handy for nocturnal animals, trichromacy for diurnal animals
Why is colour blindness not common? And why does this still exist?
Explain the lateral line system in fish (mechanoreception)
How can a shark detect weak electric fields?
How does magnetoreception work?
Many insects can detect 20-100 kHz frequencies, that corresponds to the typical bat echolocation frequencies. It has evolved at least 18 times independently. How is this called?
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