Term
| how do snakes smell and taste? |
|
Definition
tongue does both
collects airborne molecules on tongue and fits them into Jacobson's organ (groove on roof of mouth) |
|
|
Term
| what is the olfactory sensory structure of the snake? |
|
Definition
|
|
Term
| what are the holes on snake's nose for? |
|
Definition
| thermoreception - senses where heat is |
|
|
Term
| what do insects hear? what are they listening for? where is it located in the grasshopper? |
|
Definition
have Tympanic membrane - thin membrane that picks up vibrations
listening for other insects
under wing |
|
|
Term
| how do insects make noise? |
|
Definition
rub wings together
legs are rubbed together for mating purposes |
|
|
Term
| what group of vertebrates has the best audition? which animal specifically? |
|
Definition
|
|
Term
| how many cycles a second do humans hear? dogs? bats? |
|
Definition
16,000-20,000 cycles/sec
30,000
100,000 |
|
|
Term
| what do bats use their good hearing for? |
|
Definition
use echolocation to navigate
emit high frequency sounds and receive echo back |
|
|
Term
| what are the 3 parts of the mammalian ear? |
|
Definition
outer ear
inner ear
middle ear |
|
|
Term
| what is in the mammalian outer ear? |
|
Definition
| filled with air up to the tympanum |
|
|
Term
| what is in the mammalian middle ear? |
|
Definition
3 bones:
malleus
incus
stapes |
|
|
Term
| what is in the mammalian inner ear? how does it work? |
|
Definition
filled with fluid
rows of hairs extend into the fluid
hairs attached to neurons and goes to the auditory center of the cerebrum
does the conversion of sound waves to the nerve impulse |
|
|
Term
| how do mammals hear at different pitches? |
|
Definition
sound waves cause fluid to move
different frequencies stimulate different hairs |
|
|
Term
| what animal has the best sense of taste? where do they taste? how do they eat? |
|
Definition
dung fly
feet
feeding tube called the proboscis |
|
|
Term
| how do vertebrates taste? |
|
Definition
|
|
Term
| what are the 4 "classic" tastes and what is the new one? |
|
Definition
sweet, sour, salty, bitter
umami - savory/meaty taste |
|
|
Term
| what is the relative accuracy of the vertebrate sense of taste? |
|
Definition
| net very acute - olfaction is much better |
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