Biology - March 2007

2007-03-21 14:35:48 · 7 answers · asked by JuJu 1

Speaking from a biological point of view not an emotional one - why does water come out of our eyes when we feel either physical pain or sadness?

2007-03-21 14:30:09 · 4 answers · asked by Anonymous

I.e. why would we find it more pleasurable to go to the Bahamas as opposed to Siberia? Why do we prefer hot to cold?

2007-03-21 14:24:20 · 9 answers · asked by Anonymous

2007-03-21 14:22:06 · 13 answers · asked by Anonymous

2007-03-21 14:15:16 · 7 answers · asked by martinmini26 1

2007-03-21 14:11:28 · 2 answers · asked by Anonymous

Why is cloning extinct animals considered to be "immoral" by many religions?

2007-03-21 13:57:44 · 5 answers · asked by Blue Screen of Death 1

a. to accomodate the weight of the pelvic girdle
b. to absorb shock and trauma
c. to provide resilience and flexibility
d. to accomodate muscle attachment

2007-03-21 13:55:32 · 2 answers · asked by mitch 1

a. elastic connective tissue
b. dense fibrous connective tissue
c. hyaline cartilage
d. fibrocartilage

2007-03-21 13:53:45 · 1 answers · asked by mitch 1

a. diffenrentiation of osteoclasts
b. the secretion of bone matrix into the medullary cavity
c. interstitial growth of the epiphyseal plates
d. calcification of the matrix

2007-03-21 13:52:14 · 2 answers · asked by mitch 1

2007-03-21 13:51:22 · 3 answers · asked by Anonymous

A woman and a man get into an accident... The man's brain falls out undamaged, but his body is demolished... The woman's nervous system shuts down, but her body is merely injured... They are both dead... Surgeons undergo an operation inserting the mans brain to the woman's body... the operation is successful... who do you think wakes up and why.... This is a philosophical question, so I am looking for an answer with reasoning

2007-03-21 13:50:33 · 4 answers · asked by alley cat 1

a. platysma
b. zygomaticus
c. sternocleidomastoid
d. serratus anterior

2007-03-21 13:49:46 · 1 answers · asked by mitch 1

DNA appeared as a precipitate once ethanol was added after releasing the nucleus from the cells using detergent and grinding it.

2007-03-21 13:45:40 · 3 answers · asked by AAA 1

2007-03-21 13:40:05 · 9 answers · asked by Sharon G 1

2007-03-21 13:35:47 · 2 answers · asked by Anonymous

a. red muscles
b. white muscles
c. single-unit muscles
d. multiunit muscles

2007-03-21 13:34:48 · 1 answers · asked by Anonymous

2007-03-21 13:19:14 · 4 answers · asked by Kayla 1

.... determine paternity, that is. Not in this situation, asking out of pure curiosity.

2007-03-21 13:17:21 · 10 answers · asked by rebecca h 2

About 40 years after the publication of On the Origin of Species, genetics was recognized as a science. At that time, support for Darwin's theory of evolution by natural selection increased among scientists, Explain how genetics supports Darwin's theory.

2007-03-21 13:11:38 · 3 answers · asked by Smiley :D 1

2007-03-21 13:09:26 · 6 answers · asked by Smiley :D 1

My friend told me that you can stop yourself from crying by tilting your head backwards and looking at the sky. She says that this makes it physically impossible to cry (even if you really really want to). Does this work? Can somebody tell me WHY this works? I can't understand how the angle of your head can affect the tear ducts, which appear to be in the bottom corner of your eye.....

2007-03-21 13:07:24 · 3 answers · asked by Anonymous

2007-03-21 13:05:28 · 4 answers · asked by Nina N 1

charles darwin's theory of evolution is what they thought us in school. so are there any possibilities that our structural from by now will be changed in the future? are we going to have those big heads and small bodies because of relying mostly on remote controlled things? lol..

2007-03-21 12:48:00 · 6 answers · asked by jr_focker 1

2007-03-21 12:47:46 · 3 answers · asked by Anonymous

If Pacific salmon is a completely different order than Atlantic salmon, the true salmon, why do they taste so similar?

2007-03-21 12:38:42 · 3 answers · asked by Hank 6

Why is it that when it rains alot and worms attempt to make it across a slab of concrete to another section of dirt they dry up and die or become motionless?

2007-03-21 12:35:43 · 4 answers · asked by georgekotschy 1

2007-03-21 12:31:44 · 5 answers · asked by : ) 2

2007-03-21 12:29:34 · 3 answers · asked by Anonymous

I can see how birds evolved, but what was the mechanics of something that just wanted some flappy skin so it could glide further? Do you think they will be birds in 100000's of years?

I don't want to fly, just glide a little.

2007-03-21 12:28:48 · 6 answers · asked by inselaffe67 2