Biology - February 2007

2007-02-27 07:19:18 · 3 answers · asked by montoya162001 1

What are the effects of Sodium Chloride (Salt) deifiency in mammals including humans?

2007-02-27 07:08:05 · 6 answers · asked by Anonymous

Anyone know the official website for color blindness??

10 points, people!!

2007-02-27 06:43:35 · 4 answers · asked by Anonymous

Could you provide sources if you have them (preferably not christian/atheist propaganda blogs)

2007-02-27 06:33:15 · 3 answers · asked by charlie's demon 2

2007-02-27 06:30:30 · 1 answers · asked by Student_007 1

2007-02-27 06:29:28 · 3 answers · asked by tahlia.mutya 1

I need to know the difference bettwen trees classified as Coniferophyta and Anthophyta. I need to know what makes them different, and what the major differences are.

2007-02-27 06:17:05 · 3 answers · asked by Anonymous

someone told me that all white natural blondes have pink nipples. i didnt agree. i know that white blondes have a possibility of having pink nipples greater than any other race but i dont think all of them do have pink nipples.

2007-02-27 06:06:42 · 7 answers · asked by Anonymous

in what process is this even involved?

2007-02-27 05:57:58 · 5 answers · asked by Karyn S 1

2007-02-27 05:49:23 · 4 answers · asked by sue 1

2007-02-27 05:44:50 · 8 answers · asked by jessica_stay 1

2007-02-27 04:51:05 · 10 answers · asked by RD 1

2007-02-27 04:22:39 · 2 answers · asked by Anonymous

And don't say they evolved from other organisms. Where did the first organisms come from?

2007-02-27 04:20:25 · 15 answers · asked by corky100380 2

2007-02-27 04:15:24 · 8 answers · asked by Anonymous

my biology teacher asked us to answer this question for homerwork, and i have no clue on why there are so many bacterias every were and we are not sick of it

2007-02-27 04:15:12 · 7 answers · asked by drawmaster12 4

it's a biology homework question

2007-02-27 04:06:23 · 1 answers · asked by Anonymous

1. Which of the following can occur to two segments of a population if they are geographically isolated?
A. They can only share some types of genes.
B. Eventually, they become separate species.
C. They find a way to come back together.
D. Both groups most likely become extinct.


2. Which of the following best explains why organisms of the same species that become isolated eventually become different from each other over time?

A. They do not have any of the same genes.
B. They are exposed to different environments.
C. Their DNA mutates.
D. They both find ways to survive

2007-02-27 03:52:58 · 6 answers · asked by Anonymous

2007-02-27 03:35:51 · 5 answers · asked by rainbowstar843 1

again im exploiting yahoo answers to sound smart in my coursework... I need to list variables that I cna keep the same in my coursework. I have temperature and time so far..the experiment is looking at the rates of reaction of different sugars in yeast, were using a respirometer.

Are there any smart people out there who want to lend there smartness to me??? :)

2007-02-27 03:32:12 · 3 answers · asked by Anonymous

Why is water necessary in the reproduction of ferns?

2007-02-27 03:25:48 · 3 answers · asked by me1026 1

What do you beleive? And could you have some details to support your view?

Please, and thanks.

2007-02-27 03:25:12 · 12 answers · asked by Unknown 2

May be you have seen a bio system which scientists model it by mathematical methods, I want a paper about one of this modeling about kidney's work! Can you help me? Please.

2007-02-27 03:22:47 · 1 answers · asked by Dr. MO 1

Why??

Bird-brained Chinese scientists learn to fly pigeons Tue Feb 27, 7:52 AM ET



BEIJING (Reuters) - Scientists in eastern China say they have succeeded in controlling the flight of pigeons with micro electrodes planted in their brains, state media reported on Tuesday.

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Scientists at the Robot Engineering Technology Research Centre at Shandong University of Science and Technology said ther electrodes could command them to fly right or left or up or down, Xinhua news agency said.

"The implants stimulate different areas of the pigeon's brain according to signals sent by the scientists via computer, and force the bird to comply with their commands," Xinhua said.

"It's the first such successful experiment on a pigeon in the world," Xinhua quoted the centre's chief scientist, Su Xuecheng, as saying.

Su and his colleagues, who Xinhua said had had similar success with mice in 2005, were improving the devices used in the experiment and hoped that the technology could be put into practical use in future.

The report did not specify what practical uses the scientists saw for the remote-controlled pigeons.

2007-02-27 03:12:43 · 4 answers · asked by mikey 3

Birds don't have vocal cords like humans have, which is very important for talking. But when trained by a human they start learning to speak. But actual evolution theorem says that for a major change to happen it requires millions of years. Even pets become more smart as we train them while wild animals of similar species remain as they are. How is it possible?

2007-02-27 02:53:01 · 14 answers · asked by Pratap 3

2007-02-27 02:35:19 · 2 answers · asked by Anonymous

2007-02-27 02:28:11 · 17 answers · asked by O C 1

2007-02-27 02:12:05 · 6 answers · asked by sana 1

2007-02-27 01:40:14 · 9 answers · asked by Ragga 1

2007-02-27 01:32:05 · 19 answers · asked by Ghost Rider 1