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Reptile Quiz (RV)

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timbo
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Unread postby timbo » Sun Nov 04, 2007 1:17 pm

1- black mamba
2- puff adder
3- cape cobra (snouted?)
4- rinkhals
5- horned adder
6- mfezi
7- night adder
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Unread postby Adansonia » Sun Nov 04, 2007 1:37 pm

Timbo, you have 5/7

I am not going to tell which ones were correct - that will make it too easy!! :twisted:

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timbo
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Unread postby timbo » Sun Nov 04, 2007 3:26 pm

timbo wrote:1- black mamba
2- puff adder
3- cape cobra (snouted?)
4- rinkhals
5- horned adder
6- mfezi
7- night adder


Um ok then.
5- western black cobra
6- mfezi or mozimbiquen spitting cobra
7- boomslang
I try my best and that's what matters I hope.

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Unread postby Adansonia » Sun Nov 04, 2007 5:40 pm

Timbo, the first 7 names you gave had the following correct answers:

1. black mamba
2. puff adder
3. cape cobra
4. rinkhals
5. mfezi

In your second post you added

6. boomslang

Only one more required!!

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naturelover
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Unread postby naturelover » Sun Nov 04, 2007 6:25 pm

Would the last one be the green mamba?

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timbo
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Unread postby timbo » Sun Nov 04, 2007 6:26 pm

Adansonia wrote:Timbo, the first 7 names you gave had the following correct answers:

1. black mamba
2. puff adder
3. cape cobra
4. rinkhals
5. mfezi

In your second post you added

6. boomslang

Only one more required!!


Ok so let me think.....

7- Cape Cobra
8- Snouted Cobra (egyptian cobra)
9- Coral snake
10-Southern Burrowing asp
11-Side winder
I try my best and that's what matters I hope.

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Unread postby Adansonia » Sun Nov 04, 2007 9:06 pm

Naturelover wrote:

Would the last one be the green mamba?


Spot on! :lol:

Timbo wrote:

7- Cape Cobra
8- Snouted Cobra (egyptian cobra)
9- Coral snake
10-Southern Burrowing asp
11-Side winder


Snouted cobra & coral snake will also do :clap:

What is the rule people? :? Naturelover was the first to give the 7'th answer, but Timbo gave the most correct answers? I would think it is the first correct answer, which is Naturelover?

For interest sake - the 15 snakes are:

1. rock python! (not venomous but it has killed people before)
2. black mamba
3. green mamba
4. rinkhals
5. shieldnose snake
6. coral snake
7. puff adder
8. gaboon adder
9. boomslang
10. bird snake
11. mfezi / mozambique spitting cobra
12. cape cobra
13. snouted cobra
14. forest cobra
15. black-necked spitting cobra

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naturelover
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Unread postby naturelover » Mon Nov 05, 2007 7:15 pm

Hi all

My question will be more biological.

What is the name of the black pigment that reptiles have in their skin and what happens to it in hot and cold weather and why this happens?

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jfthibeau
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Unread postby jfthibeau » Mon Nov 05, 2007 7:48 pm

Pigment that is most responsible for most color changes is melanin. This is a dark substance contained in cells known as melanophores. When melanin particles are concentrated in one place inside the melenophores, the bright yellow and blue pigments in other skin cells can be seen. When the dark melanin spreads out within the melanophores, it covers up some of the other pigment cells. This causes the skin to appear black.
Temperature change can also cause a reptile (like chameleons) to change color, and color is also a means of communication. A male chameleon may display and change color to attract a female's attention, or to warn another male to stay away.

... like :redface: ... :D
JF

Richprins

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Unread postby Richprins » Mon Nov 05, 2007 8:25 pm

naturelover wrote:
What is the name of the black pigment that reptiles have in their skin and what happens to it in hot and cold weather and why this happens?


"Melanin" is found in most mammals, as far as I know! (Including us!) :? (Tanning, etc...)

Therefore jfthib's points are valid for mammals! 8)

However, not so sure about reptiles, as they shed their skins! :shock:

I think you need to rephrase the question, although at first glance it seems the only answer! :)

Otherwise prove me wrong!

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jfthibeau
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Unread postby jfthibeau » Mon Nov 05, 2007 8:53 pm

... no problem Richprins ... just follow the link ........and this one

... sorry ... :D
JF

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naturelover
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Unread postby naturelover » Tue Nov 06, 2007 9:33 pm

I am affraid that jfthibeau's answer is correct. I ought to know as I was biology student and have studied thermo-regulation, Reptiles which are Poikilothermic (cold-blooded) have the black pigment melanin in there skin cells. During hot weather the black melanin becomes invisible so that the organism does not over heat but becomes visible in cold weather so that the organism does not freeze. This is how reptiles retain a constant body temperature.
Melanin is not present in the skin cells of mammals as they do not need it because they are endothermic and do not need to rely on their surroundings for thermoregulation.

Anyway onto you jfthibeau.

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jfthibeau
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Unread postby jfthibeau » Wed Nov 07, 2007 7:30 pm

.... thanks ZZ :D ... a little bit chance .... :lol:

.... so, here is mine ... 8)

...Clue 1 ...I'm a protected species. I inflict only painful cuts. I'm viviparous , usually 25-40 youngs at a same time (but much more is possible) ...


... good research ... :lol:
JF

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Unread postby Pilane » Wed Nov 07, 2007 8:30 pm

Mole snake

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naturelover
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Unread postby naturelover » Wed Nov 07, 2007 8:37 pm

Hi jfthibeau

You are certainly an ace at this. :clap:

I am going to go with Pilane on this one.


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