Biology - March 2007

2007-03-09 09:31:16 · 2 answers · asked by Chess 2

alright so i have this ecology question about H.B.D. Kettlewell and his peppered moths hypothesis. it's says:

"he placed the light moths on the dark tree trunks and observed how many of them were eaten by birds then he placed the same number of dark moths on dark tree trunks and observed them too."

and it asks me what the variable is in this experiment. but it doesn't give me near small enough of room for a graph so i was wondering what it means by variable?

2007-03-09 09:30:58 · 5 answers · asked by white tea 1

2007-03-09 09:30:14 · 8 answers · asked by Anonymous

2007-03-09 09:19:59 · 12 answers · asked by Anonymous

Imagin that you want to make sure a part of a wall has no alive bacteria and its clean. I believe there would be a kind of simple liquid which gets discoloration againt alive bacteria in some minutes. If anybody knows how can I get it please let me know.
Thanks,
Ben.

2007-03-09 08:40:35 · 3 answers · asked by Ben D 2

2007-03-09 08:14:05 · 6 answers · asked by Anonymous

2007-03-09 08:09:04 · 0 answers · asked by fred 1

2007-03-09 07:59:28 · 12 answers · asked by lora j 1

yet another research paper -_- this one is for biology

2007-03-09 07:54:09 · 6 answers · asked by babykhi16 2

How are viruses spread?

Why should people get vaccinated?

When should I get vaccinated, or should I at all?

Thanks!

2007-03-09 07:50:20 · 5 answers · asked by Please help me 2

how much A will be present? The book states the correct answer is 30%, but i do not understand....

2007-03-09 07:48:00 · 2 answers · asked by Anonymous

How do aerobic/aerotolerant organisms that cannot produce catalase detoxify hydrogen peroxide?

2007-03-09 07:32:38 · 4 answers · asked by Anonymous

2007-03-09 07:22:41 · 8 answers · asked by precious_and_sweet_one 1

the electrons travel through the electron transport chain to oxygen, i guess , but i am a visual person, i just need to understand this better

2007-03-09 06:34:22 · 2 answers · asked by Anonymous

Detailed answers please.

2007-03-09 06:13:10 · 8 answers · asked by Mr. 2

2007-03-09 05:46:16 · 12 answers · asked by MEE 2

2007-03-09 05:42:38 · 2 answers · asked by usama s 1

i have been looking in my book for an hour and i cant figure these out.
1. what is the spore producing generation?
2. what is the process producing gametes?
3. process producing spores?
4. organ producing sperm?
5. organ producing egg?
6. produced by spore germination?

2007-03-09 05:36:49 · 2 answers · asked by crazymonkey 1

Could Darwin have been wrong about us evolving from primates. Maybe, that is why the "missing link" has never been found; because there isn't one?

2007-03-09 04:58:34 · 16 answers · asked by caramelqt 1

2007-03-09 04:38:04 · 5 answers · asked by gahlawat84 1

Why does the antigen in the donors blood now agllutinate the recipiants blood...e.g. why can blood group 0 (which produces antibodies a and b) be transfused into people with blood groups A and B without coagulatiion occuring just as blood group AB (although producing no antibodies)can recieve blood from group A(with b antibodies) or B(with a antibodies)

2007-03-09 03:50:22 · 3 answers · asked by lavito 3

A. H2O
B. Na2CO3
C. CO2
D. NaHCO3

2007-03-09 03:14:37 · 4 answers · asked by Bree 1

why doesnt the lungs control the fetus?

2007-03-09 03:14:24 · 7 answers · asked by ... 2

A. 15
B. 2
C. 3
D. 5

2007-03-09 03:09:59 · 3 answers · asked by Bree 1

2007-03-09 03:07:59 · 4 answers · asked by Bree 1

Explain in as much detail as possible.

2007-03-09 03:00:13 · 10 answers · asked by Telltale Muffin 3

2007-03-09 02:58:00 · 3 answers · asked by squigglycameron 1

2007-03-09 02:20:16 · 8 answers · asked by Anonymous

2007-03-09 02:19:13 · 2 answers · asked by Da King 1

In humans, what vital organ does Plasmodium falaciparum travel to first?

About how many patients each year get an infection in the U.S. after being in a hospital?

List one long-term effect from micro-gravity on humans.

Malaria has perhaps killed what percent of all the people who have lived on Earth?

2007-03-09 01:31:05 · 4 answers · asked by shane200388 1