Biology - February 2007

The levels of CO2 in the atmosphere continues to increase. How will this affect competition between chemoautotrophs and photoautotrophs?

2007-02-19 14:41:00 · 3 answers · asked by *εїз*јøɾḋÿṉ'ṡ♥ṃøṃṃÿ*εїз* 3

If a spotted rabbit is crossed with a solid colored rabbit, all the offspring will be spotted. When the F1 rabbits interbreed, they produce 31 spotted rabbits and 11 solid colored rabbits. How many of the F2 rabbits would you expect to be homozygous for coat condition? How would you make a Punnett Square explaining the problem?

Thanks again!

2007-02-19 14:29:41 · 1 answers · asked by redneckproud92 1

The chromosomal condensation phase ends up with 2 sister chromatids attached by a single centromere. This phase of eukaryotic nuclear division is called what?

2007-02-19 14:15:48 · 3 answers · asked by 123haha 1

2007-02-19 14:15:04 · 9 answers · asked by sammy d 1

I need to know 2 systems that work with the Circulatory system (Cardiovascular System) i already have the Lymphatic. & i was stuck but i was leaning toward the respritory system.

2007-02-19 14:12:31 · 6 answers · asked by none 2

I am only interested in scientific views on this matter, and NOT religious opinions on the matter.

I'd like to know why you think cloning should or should not be allowed and how that would negatively/positively affect our society, and why.

2007-02-19 14:10:55 · 9 answers · asked by Alexis 2

2007-02-19 13:42:43 · 5 answers · asked by 22angelbaby22 2

2007-02-19 13:16:28 · 3 answers · asked by Allison 3

2007-02-19 12:57:36 · 4 answers · asked by keonte g 1

2007-02-19 12:53:01 · 2 answers · asked by darklegacy_89 1

Is this true?

2007-02-19 12:42:14 · 2 answers · asked by circusgirl322 1

Is that false

2007-02-19 12:39:58 · 10 answers · asked by circusgirl322 1

Is this true?

2007-02-19 12:24:04 · 10 answers · asked by Anonymous

I dont think thats true. Is it?

2007-02-19 12:22:50 · 2 answers · asked by Anonymous

Isn't that false?

2007-02-19 12:16:02 · 4 answers · asked by Anonymous

Sometimes while I am talking to my wife on the phone, she'll yawn and lo and behold, before the next 10 seconds, I too will yawn. Got an answer? Can you help the brother out?

2007-02-19 11:57:03 · 2 answers · asked by Rookie 1

Is that false?

2007-02-19 11:53:57 · 3 answers · asked by Anonymous

1. How can disruptive selection lead to speciation in sympatric populations of the same species?

My book isn't helping & I'm looking online but I haven't found anything useful yet. Please don't copy and paste things from wikipedia or anything... that doesn't help me understand, and their examples are confusing. Thank You.

2007-02-19 11:51:36 · 2 answers · asked by Anonymous

How can I find out how much starch is in a slice of bread or something similar? Any good methods?

2007-02-19 10:57:29 · 5 answers · asked by belliott_777 2

1. describe me the sympotms of dedease?.

2.What organs and tissues of our body are affected by Malaria?.

3.How can it be threathed?.
Medicines , inplants , ect.

4.Can be it prevented ?, How ?.

2007-02-19 10:20:42 · 2 answers · asked by g2c_93 2

1) What evidence exists that humans with aneuploid karyotypes occur at conception, but are usually inviable?

2) For a species with a diploid number of 18, indicate how many chromosomes will be present in the somatic nuclei of individuals who are haploid, triploid, tetraploid, trisomic, and monosomic

2007-02-19 10:18:00 · 2 answers · asked by Lilac 2

2007-02-19 10:10:10 · 3 answers · asked by JSquare 1

2007-02-19 10:08:02 · 4 answers · asked by roxygirl65820190 1

At the end of cellular respiration ,where is the hydrogen atoms of glucose?

2007-02-19 10:02:49 · 8 answers · asked by angel 1

Why is RNA important to the cell?How dose an mRNA molecule carry information from DNA?

2007-02-19 09:24:52 · 4 answers · asked by Anonymous

What's your opinion? Because I have a friend who says yes.

2007-02-19 08:41:09 · 13 answers · asked by crystalgoddess101 1

Which level of biological classification includes all of the others?

a. class
b. genus
c. family
d. order

2007-02-19 08:36:57 · 5 answers · asked by JoAnna 2

I wonder what your thoughts are about infertile couples using cloning as another option for parenting.
In the future could it ever be considered moral?

2007-02-19 08:33:51 · 1 answers · asked by Susan M 2

Cross a tall red flowering pea plant with short white and get 49 tall red, 51 tall white, 50 short red 50 short white. what is the
(A) genotype of the tall red flowering plants (parent)
(B) genotype of short white flowering plants (parent)
(C) genotype of short white flowering plants (offspring)
(D) probability of TtRr offspring
(E) hypothesize an explanation for offspring data

2007-02-19 08:32:53 · 1 answers · asked by Kelly C 1

I KNOW ITS GRANA AND ....... LOL, I HAVE JUST TOTALLY FORGOTTEN.
PLEASE HELP

2007-02-19 08:18:26 · 2 answers · asked by Bo 3