Login

Join for Free!
112023 members


Designing a creature

Animals!

Moderator: BioTeam

Designing a creature

Postby GreenDog » Tue Feb 28, 2006 8:38 am

I admit this is a homework question never the less, suggestions are most welcome.
I've been told to design a creature whose sole purpose in life is to move to and from a glucose source,
it has memory and can learn but it doesn’t have a nervous system.
All it has are two nerve cells which can be any kind of cells (motor, sensor, both, etc.).

Any thoughts on the subject?
"When In Danger Or In Doubt Run In Circles Scream And Shout"
Lawrence J. Peter
User avatar
GreenDog
Coral
Coral
 
Posts: 126
Joined: Sun Mar 27, 2005 8:37 am

Re: Designing a creature

Postby Dr.Stein » Tue Feb 28, 2006 9:08 am

GreenDog wrote:I admit this is a homework question never the less, suggestions are most welcome.
I've been told to design a creature whose sole purpose in life is to move to and from a glucose source,
it has memory and can learn but it doesn’t have a nervous system.
All it has are two nerve cells which can be any kind of cells (motor, sensor, both, etc.).

Any thoughts on the subject?

I think it is spermatozoon, it fulfills the criteria of "moving" and "living from glucose" but it seems that the rest statement are not suitable :D
Image
User avatar
Dr.Stein
King Cobra
King Cobra
 
Posts: 3501
Joined: Thu Jul 07, 2005 7:58 am
Location: 55284 Yogyakarta, Indonesia

Postby GreenDog » Tue Feb 28, 2006 9:26 am

The thing does not exist in real life! I'm suppose to invent it. But I don't really know which functions to give thouse two neurons so they could do all this.
"When In Danger Or In Doubt Run In Circles Scream And Shout"
Lawrence J. Peter
User avatar
GreenDog
Coral
Coral
 
Posts: 126
Joined: Sun Mar 27, 2005 8:37 am


Postby Khaiy » Tue Feb 28, 2006 11:54 am

I suppose you could just give it whatever neurons you wanted, as long as you could explain why the traits might be useful in its pursuit of glucose.

In my opinion motor neurons should be present so that it can actively move towards glucose sources, and sensory neurons of some sort so it could seek them out.
User avatar
Khaiy
Coral
Coral
 
Posts: 158
Joined: Tue Feb 28, 2006 2:37 am

Postby Dr.Stein » Wed Mar 01, 2006 2:41 am

Aah ok, I am out of this game :P
Image
User avatar
Dr.Stein
King Cobra
King Cobra
 
Posts: 3501
Joined: Thu Jul 07, 2005 7:58 am
Location: 55284 Yogyakarta, Indonesia

Postby MrMistery » Wed Mar 01, 2006 6:53 pm

Hmm... well, then i think you should give one sensory and one motor neuron. Since that is the simplest reflex i know...
"As a biologist, I firmly believe that when you're dead, you're dead. Except for what you live behind in history. That's the only afterlife" - J. Craig Venter
User avatar
MrMistery
Inland Taipan
Inland Taipan
 
Posts: 6832
Joined: Thu Mar 03, 2005 10:18 pm
Location: Romania(small and unimportant country)

Postby Darby » Sun Mar 05, 2006 12:46 pm

It's a fairly silly exercise (it's supposed to be simple, but this simple is not terribly useful), but ultimately you need a sensorimotor neuron to sense and respond, and an interneuron to decide whether glucose is present and to decide which response to initiate.
Darby
Viper
Viper
 
Posts: 1262
Joined: Thu Mar 02, 2006 5:29 pm
Location: New York, USA

Postby MrMistery » Sun Mar 05, 2006 6:50 pm

what the heck is a sensorimotor neuron? there is no such thing...
"As a biologist, I firmly believe that when you're dead, you're dead. Except for what you live behind in history. That's the only afterlife" - J. Craig Venter
User avatar
MrMistery
Inland Taipan
Inland Taipan
 
Posts: 6832
Joined: Thu Mar 03, 2005 10:18 pm
Location: Romania(small and unimportant country)

Postby Darby » Sun Mar 05, 2006 7:07 pm

They're part of Cnidarian nerve nets and found in a few other low-end animal groups. Impulses travel both ways on the same neurons - you can see why it's not a common set-up.
Darby
Viper
Viper
 
Posts: 1262
Joined: Thu Mar 02, 2006 5:29 pm
Location: New York, USA

Postby Zeneth Entorion » Sat Apr 29, 2006 4:49 pm

MrMistery wrote:what the heck is a sensorimotor neuron? there is no such thing...


Input comes from environment, output goes to movement. Don't see why there couldn't be such a thing..
Zeneth Entorion
Garter
Garter
 
Posts: 13
Joined: Sat Apr 22, 2006 4:04 pm
Location: Melbourne, Australia

Postby ptPablo » Sat May 06, 2006 10:32 pm

don't limit yourself to sensory, motor, sensorimotor and inter neurons. if you're allowed to "make it up" then MAKE IT UP!

e.g. a glucotactic neuron: when stimulated with glucose on one end, it releases NT at the other that stimulates a jet-propulsive fart in the direction of the glucose and another that stimulates the epithelium via cyclic-THC to activate hexose carriers to suck in the sugar. go wild! employ all the wacked-out intelligent design you can think of.
ptPablo
Garter
Garter
 
Posts: 4
Joined: Sat May 06, 2006 9:58 pm

Postby rach » Fri May 12, 2006 9:03 am

i think tht is a cool homework question.
i wish i got homework that was fun...

but i think it could be RACHIELDER SMOSIS
rach
Garter
Garter
 
Posts: 6
Joined: Fri May 12, 2006 8:56 am


Return to Zoology Discussion

Who is online

Users browsing this forum: No registered users and 1 guest

cron