Science & Mathematics - 10 August 2006

2. The complexity of structure and function varies widely across the animal kingdom. Despite this variation, animals exhibit common processes. These include the following.
. transport of materials
. response to stimuli
. gas exchange
. locomotion
(a) Choose two of the processes above and for each, describe the relevant structures and how they function to accomplish the process in the following phyla.
Cnidaria (e.g., hydra, jellyfish)
Annelida (e.g., earthworm)
Chordata (e.g., mouse)
(b) Explain the adaptive (evolutionary) value(s) of the structural examples you described in part a.

i dont get part b. What am i supposed to say?

2006-08-10 05:20:44 · 3 answers · asked by Beatled 1 in Biology

The exact structure of charcoal and its chemical reaction with water. If any other forms for purification is available and any other known and proven aspects of charcoal.

2006-08-10 05:19:52 · 2 answers · asked by payal m 2 in Chemistry

That is if you want a pretty high per cent accuracy,like 90%

2006-08-10 05:17:37 · 4 answers · asked by raya_smartgirl 1 in Mathematics

2006-08-10 05:17:36 · 3 answers · asked by Pravin B 1 in Engineering

What is the product of the two largest positive numbers that have a sum of one(For example, 1/2 plus 1/2 is one and their product is 1/4. Is this the largest product possible? If so, what steps would you show to get this answer?)

2006-08-10 05:10:22 · 7 answers · asked by johnnyboy16978 1 in Mathematics

causing the earth grow bigger and causing for natural disaster like earthquake, any findings ..

2006-08-10 05:09:03 · 8 answers · asked by Drone 7 in Earth Sciences & Geology

Julie travels 5 hours to and from work everyday. Her average rate of speed to work is 18 miles per hour and her average rate of speed returning is 12 miles per hour. How far is it from her home to work?

2006-08-10 05:06:57 · 13 answers · asked by Anonymous in Mathematics

What are the differences in these storms? or are they different names for the same thing?

2006-08-10 05:04:59 · 13 answers · asked by buggsnme2 4 in Weather

2006-08-10 05:04:15 · 23 answers · asked by Pravallika 2 in Mathematics

I have this competition on "conserving bio diversity:prospects and concerns". We have been told to make six minute PPT presentations on this, they haven't given any sub titles, I really can't figure out what sub topics to include, the topic is really really vast, cud someone help in suggesting the sub topics

2006-08-10 05:03:15 · 2 answers · asked by The Alchemist 1 in Biology

2006-08-10 05:00:37 · 6 answers · asked by vicky 1 in Chemistry

I've been taking this chemistry course and I've noticed that the makeup of an atom looks a lot like our universe. The electrons are similar to our planet with them orbitting nucleus which is similar to the sun. Does anyone else find that interesting? Maybe someone can provide some more to this. I've just been wondering if anyone else notices the resemblance.

2006-08-10 04:56:38 · 11 answers · asked by Rainey 4 in Chemistry

" I'm freakin scared to death that the world might end tomarrow!!!"...

2006-08-10 04:56:02 · 65 answers · asked by loveme4me 1 in Astronomy & Space

2006-08-10 04:53:33 · 9 answers · asked by Anonymous in Geography

2006-08-10 04:51:42 · 16 answers · asked by bathsideboy 2 in Medicine

2006-08-10 04:51:07 · 36 answers · asked by Sy355 1 in Biology

an experiment was done by poring microwaved water to water the plants after it has cooled and in 9 days the plant withered and died as compared to boiled water?

2006-08-10 04:50:24 · 5 answers · asked by jean e 1 in Other - Science

....I keep seeing multiple flashes of 'lightning' IN MY MIND'S EYE. The last one was a few hours ago and I think I 'saw' a black box on a rocky precipice during a flashing jagged bolt. I had a feeling in my mind and body of a 'charge' from the lightning when this happened. It was over in two seconds.
The one before that, last night- I saw a flash in a circular form and a sound of human surprise and shock emanated this single flash of white light, I beleive the sound was a high pitched 'aarrrgh'- it sounded a bit like my brother when he is sometimes taken by surprise.
There was another one the other day too, this was just a multiple flash. I am interested by the visions and I want to understand them. I assume they are from somewhere else or some source other than myself. Do you know what they mean or what causes them?
I'm not on drugs or an epileptic and the visions are external to my mind. I somehow see them and feel them though.

2006-08-10 04:48:47 · 3 answers · asked by syelark 3 in Other - Science

2006-08-10 04:41:41 · 19 answers · asked by Anonymous in Astronomy & Space

i.e. Greater gravity, Giant Life forms?

2006-08-10 04:41:26 · 27 answers · asked by franco z 1 in Physics

2006-08-10 04:38:46 · 6 answers · asked by Padmini Gopalan 4 in Earth Sciences & Geology

2006-08-10 04:37:53 · 8 answers · asked by sevda m 1 in Other - Science

You have one piece of cake . you are required to finish eating it . At a time you should take only half of what you have onhand . when can you finish eating the whole cake? (Say it is not very big .say it is just two cubic inches only in size).
What does theresult indicate or teach us .?

2006-08-10 04:36:01 · 19 answers · asked by Infinity 7 in Mathematics

2006-08-10 04:35:27 · 6 answers · asked by amberskye25 1 in Other - Science

2006-08-10 04:32:55 · 13 answers · asked by popcorn 1 in Engineering

25-55 = 36-66
(5)^2-(2*5*11/2) = (6)^2-(2*6*11/2)

Adding (11/2)^2 on both sides :

(5)^2-(2*5*11/2)+(11/2)^2=(6)^2-(2*6*11/2)+(11/2)^2
=>(5-11/2)^2=(6-11/2)^2

taking square root on both sides :
5-11/2=6-11/2
=> 5=6

2006-08-10 04:32:18 · 16 answers · asked by navneet_riyu 2 in Mathematics

2006-08-10 04:27:46 · 7 answers · asked by Anonymous in Astronomy & Space

2006-08-10 04:26:28 · 3 answers · asked by Snowflake 2 in Engineering

I was in my canoe paddling downstream and saw a large ripple, about 2-3 ft high heading towards me, spreading out for 15-20 feet. As I went past the wake, I saw what I first thought was a huge turtle, as a hump became evident. I put on my electric motor and circled, keeping a distance of twenty feet away. No head, no tail, no dorsal fin, and the hump was not a shell, but a smooth, mottled mound. Whatever it was never turned, never dived under, never varied its speed, which was whatever the lowest speed on my motor was. I kept with it for almost twenty minutes. Finally, I had to go back in and no one I talked to about this can think of what it could be. Just read about a manatee in the East River in NY and I realize that the manatee would be much more likely to be on the east coast instead of inland Indiana but....? PS I've considered it may have been some ghastly mechanized hoax but , once again....?

2006-08-10 04:26:10 · 8 answers · asked by CAROLYN FAY 1 in Zoology

My son's plastic piggy bank containing only pennies and weighs exactly 10 pounds. Curious to the $ amount without cutting it open.

2006-08-10 04:25:45 · 15 answers · asked by dawnell115 1 in Mathematics