Biology - March 2007

Darwin's theory of evolution is based on the idea(s) of
a. natural variation and natural selection.
b. use and disuse
c. a tendency toward perfect, unchanging species.
d. the transmission of acquired characteristics.

(i think it's "a")
and

explain how the finches and tortoises that Darwin ovserved on the Galapagos Islands influenced his thinking?

and
Suppose that selective breeding has produced a population of very similar chickens. Would that population survive if it was released into the world? explain.


Thanks so much for helping me! i really need it because my teacher said we have a test tomorrw and he just barely gave me the 3 page study guide today. i day before! how silly of him!

2007-03-01 11:31:32 · 3 answers · asked by *~*crazy hair 14*~* 2

And don't use sequential or majestic. I need a word that sums up the survival of the fittest motif but without being too vague.

2007-03-01 11:14:34 · 7 answers · asked by This Virus Called Language 1

Why are mutations passed on to offspring?

2007-03-01 11:12:27 · 5 answers · asked by larrylnguyen 1

Can anybody help me translating a strand of DNA into an mRNA code and then to tRNA. I don't understand what changes must be made to create the different form codes. I'll give an example for you guys to show me how to change to the two different forms.
Example DNA strand- ATCGTA

2007-03-01 11:02:31 · 2 answers · asked by Anonymous

In living organisms DNA codes for proteins. But for DNA to function it needs proteins. If there isn't DNA transcription and translation there are no proteins. But for DNA transcription and translation to occur, proteins are needed. Who came first?

2007-03-01 11:02:03 · 9 answers · asked by Butterfly 2

i just need help with this hardy weinberg, full question is: In a study of population of field mice, you find that 48% of the mice have a coat color that indicates that they are heterozygous for a particular gene. What would be the frequency of the dominant allele in this population?

2007-03-01 10:34:06 · 2 answers · asked by yamholyman 1

The chinese been playing with pigeons? I see diabolical ways these could annoy humans or benefit right? The Pigeons control device would be diabolical if it program to fly a around a person just to crap on them, or make it hard for them to move, or act as a good security measure with a inplanted camera to track nasty weather system coming are ya. I see pigeons as double edge sword

2007-03-01 10:18:07 · 2 answers · asked by ram456456 5

who is he and wut are his contributions to the theory of evolution. year of birth/death. approximate dates of contributions, other significant events that progressed the theory. thnk you

2007-03-01 09:52:47 · 3 answers · asked by boratiskuta 1

what to know which class is harder Human Physiology class or a social worker class?

2007-03-01 09:47:46 · 4 answers · asked by Anonymous

if you waana to have a frog in an enviroment like a (fish tank) .....what should you give him to eat and stay alive? and plz don't say bugs..

2007-03-01 09:39:11 · 12 answers · asked by Solid Snake 2

Hi,
Is there any protein sequence matching softwares availabe online?
Regards and thanks!

2007-03-01 09:35:19 · 1 answers · asked by Niraj M 2

I heard B- is one of the rarest types...

2007-03-01 09:27:40 · 4 answers · asked by Ichigo_Ichigo_Ichigo 1

2007-03-01 09:06:21 · 3 answers · asked by greenwillowtrie 3

A normally pigmented woman & an albino man have 4 normally pigmented children and 1 albino child? What is the woman's phenotype? where "A" is normal pigmentation and "a" is albino

2007-03-01 09:05:58 · 4 answers · asked by anidimo 2

2007-03-01 09:03:52 · 4 answers · asked by halopower67 2

A. The firewall in a car or truck.

B. The pasta strainer i use to make macaronni and cheese.

C. A condom.

D. The great wall of china.

2007-03-01 08:44:31 · 4 answers · asked by judgemartiniz 5

2007-03-01 08:41:38 · 6 answers · asked by Dash 1

2007-03-01 08:22:27 · 7 answers · asked by Susan A 1

2007-03-01 08:22:00 · 1 answers · asked by atgames4 1

2007-03-01 08:20:10 · 1 answers · asked by stretch_dj_clark 1

2007-03-01 08:19:34 · 2 answers · asked by stretch_dj_clark 1

Is it possible for a dark-skinned person to possess blue or green eyes?

I'm talking about the gene frequency and allele carrying the blue or green eye pigmentation and possiblity of dark-skins expressing that gene.

*Please do not give answers like: by wearing contact lenses, or through eye surgery ('cuz its not possilbe =P), or test-tube insemination, etc.*
*And please don't be offended by the question, this is meant to be a BIOLOGICAL question NOT a RACIST one* =)

2007-03-01 08:15:15 · 16 answers · asked by Anonymous

if not whats different??

2007-03-01 07:59:33 · 4 answers · asked by mz. demps 1

that when you are flying...in a plane...do your internal organs swell?

2007-03-01 07:59:27 · 4 answers · asked by amri 5

2007-03-01 06:42:51 · 4 answers · asked by ashkanmot 1

2007-03-01 06:37:24 · 8 answers · asked by ashkanmot 1

2007-03-01 06:35:27 · 12 answers · asked by This Virus Called Language 1

Can there be a way to explain this easily. I am in ninth grade and our teacher wants us to do a presentation explaining what glycolysis is...in order to understand this I feel I need to understand what ATP, ADP, NADP+, NADPH, is and how they come about? then I need to understand how does glycolysis happens. How does it come about, how does ATP, ADP, NADP+, NADPH, come about to the process of glycolysis. I don't know nothing about this! please help!!!

2007-03-01 06:17:57 · 2 answers · asked by yag1891 1

The frequency of nerve impulses along a certain neuron is controlled by
A.length of the refractory period
B.level of the threshold potential
C.polarity of the resting membrane
D.intensity of the stimulus received

the answer cant be c,
I am debating wether it is D or A
what do you think?

2007-03-01 05:45:46 · 5 answers · asked by Anonymous

2007-03-01 05:14:06 · 2 answers · asked by katie 1