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Would you expect the elemental composition of Earth's crust to be the same as that of the human body or different?

DNesh

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Report this Feb. 09 2011, 1:50 pm

Would you expect the elemental composition of Earth's crust to be the same as that of the human body or different? 


Discuss....

Trekwolf164

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POSTS: 32043

Report this Feb. 09 2011, 3:39 pm

Life developed on earth's surface in water. Eating the plants and other life all being composed of the same basic elements. I would think the only elements life and Earth would not have in common would be the elements toxic to life.

www.youtube.com/watch?v=TcdZla4gKk0

LieutenantCommanderData62
5

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Report this Feb. 09 2011, 3:45 pm

We are organic, and so is the earth's composition. Id expect us to be made of the same very basic elements just a few differences in exponents here and there!


"I do not believe it is justified to sacrifice one life-form for another."-Data

DNesh

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POSTS: 6409

Report this Feb. 09 2011, 4:36 pm

Thanks guys..for trying. I am supposed to be having this discussion on a biology science class messageboard. If I make four intelligent sounding posts it is worth 15% toward my grade for extra credit. I need all the help I can get in that class. Science is not my first language. But, I am trying to learn.


Maybe I should have posted this in the science and technology thread....


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caltrek2

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Report this Feb. 09 2011, 5:58 pm

Dnesh, Here is a thread I started long ago in the Science and Technology forum. It does not directly address your question, but does have a lot of thoughts about the relationship between the earth and indvidual organisms. If it seems at first to be a bit over your head, just keep reading until you find something that makes sense and to which you can relate.


http://www.startrek.com/boards-topic/33294766/The-Gaia-Hypothesis_1184430527_33294766


 


As Americans, we sometimes suffer from too much pluribus and not enough unum. - Arthur Schelsinger, Jr.

DNesh

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Report this Feb. 09 2011, 6:05 pm

This entire topic is over my head, Cal.....but, reading things over my head has never been a problem. Comprehending & remembering....Oy! I really wanted to participate in that conversation without googling answers. Thanks....

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267198ed

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POSTS: 2871

Report this Feb. 09 2011, 6:10 pm

Basically. Carbon.

I shouldn’t have to say more than this, hoping that there won’t really be anyone here who wouldn’t understand.

Jolan Tru, may your day be filled with peace.

DNesh

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POSTS: 6409

Report this Feb. 09 2011, 6:33 pm

Yes. I am learning that Carbon is extremely important. I think there is an element of carbon in just about everything.....I think.


Anyway...This is the more intelligent post on the messageboard I was hoping to respond to. I just read it and go, whaaa??


While the human body and the earth's crust are similar in ways, I believe they are vastly different in elemental composition. They only share two common elements based on only the mass elements of each. The elements shared are oxygen and calcium. The human body then also contains in it's mass elements carbon , hydrogen and nitrogen, whereas the earth's crust contains silicone aluminum and iron. Both the human body and the earth's crust do contain many of the same minerals, however these are considered trace elements.


Another reason I think that the human body differs greatly to the earth's crust is because the human body is a living organism and the earth's crust itself is not. The earth's crust contains and is host to many living organisms, however it's own composition and processes is not that of a living thing. This makes me believe there is a vast difference between the earth's crust and the human body.


Any thoughts on this ?


C'mon, people! I need thoughts. I thought you guys were all about science!


http://a6.sphotos.ak.fbcdn.net/hphotos-ak-snc4/hs790.snc4/67039_166534646696550_100000200468970_591601_3795479_n.jpg

DNesh

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POSTS: 6409

Report this Feb. 09 2011, 6:37 pm

This was my initial first response two weeks ago. I need to step my game up!!


Honestly, I am baffled at the question. Currently, I have no idea. I guess I am going to find out. I have read so many of James Mitcheners books. I have 'Space' but have put it aside for far to long!


I asked my honey what he thought (just to see how smart he is). His reply:


The same. Plants grow in the dirt and consume water. Animals consume plants. People eat animals. We are made up of the planet we are designed to consume. It is a symbiotic relationship. The planet can live without us. We can't live without the planet. This makes him think we are parasites & the planet is our host.


How close is he???


 


http://a6.sphotos.ak.fbcdn.net/hphotos-ak-snc4/hs790.snc4/67039_166534646696550_100000200468970_591601_3795479_n.jpg

Tureaz'47

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Report this Feb. 09 2011, 6:41 pm

Riwina (New Zealand Maori) bread. Tons of butter, too. The Excellent Kiwi stuff.

It's strange, being a catalyst for things that move outside.

caltrek2

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POSTS: 2654

Report this Feb. 09 2011, 7:13 pm

Quote: DNesh @ Feb. 09 2011, 6:33 pm

Yes. I am learning that Carbon is extremely important. I think there is an element of carbon in just about everything.....I think.

Anyway...This is the more intelligent post on the messageboard I was hoping to respond to. I just read it and go, whaaa??

While the human body and the earth's crust are similar in ways, I believe they are vastly different in elemental composition. They only share two common elements based on only the mass elements of each. The elements shared are oxygen and calcium. The human body then also contains in it's mass elements carbon , hydrogen and nitrogen, whereas the earth's crust contains silicone aluminum and iron. Both the human body and the earth's crust do contain many of the same minerals, however these are considered trace elements.

Another reason I think that the human body differs greatly to the earth's crust is because the human body is a living organism and the earth's crust itself is not. The earth's crust contains and is host to many living organisms, however it's own composition and processes is not that of a living thing. This makes me believe there is a vast difference between the earth's crust and the human body.

Any thoughts on this ?

C'mon, people! I need thoughts. I thought you guys were all about science!



Well, I think your boyfriend has a nice answer. Th only thing I might point out is that in biology there is such a thing as mutualism - where both species benefit from an interdependent relationship.

However, judging how many species have gone extinct due to human action, perhaps the better argument can be made for humans as parasites.

I think the human body may contain elements in different ratios than what exists in the nonliving environment, but humans had to evolve from the plalet, so all of its raws materials had to come from its surroundings. As another individual pointed out, some elements, such as carbon, may be more likely to be found in the type of organic compounds that make up the human species. Other elements may be less conducive to such basic chemical processes.

Still, one organism's poison may be another organisms source of energy, so unexpected combinations can emerge.

Hope this helps, or did I just do my usual and confuse everyone more?

As Americans, we sometimes suffer from too much pluribus and not enough unum. - Arthur Schelsinger, Jr.

Trekwolf164

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POSTS: 32043

Report this Feb. 09 2011, 7:18 pm

Thanks Cal DNesh just read your post she is going to sleep but will address this tomorrow. She would have responded herself but I was logged on. We share the home PC


www.youtube.com/watch?v=TcdZla4gKk0

DNesh

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POSTS: 6409

Report this Feb. 10 2011, 6:12 am

Quote: caltrek2 @ Feb. 09 2011, 7:13 pm

Quote: DNesh @ Feb. 09 2011, 6:33 pm

Yes. I am learning that Carbon is extremely important. I think there is an element of carbon in just about everything.....I think.

Anyway...This is the more intelligent post on the messageboard I was hoping to respond to. I just read it and go, whaaa??

While the human body and the earth's crust are similar in ways, I believe they are vastly different in elemental composition. They only share two common elements based on only the mass elements of each. The elements shared are oxygen and calcium. The human body then also contains in it's mass elements carbon , hydrogen and nitrogen, whereas the earth's crust contains silicone aluminum and iron. Both the human body and the earth's crust do contain many of the same minerals, however these are considered trace elements.

Another reason I think that the human body differs greatly to the earth's crust is because the human body is a living organism and the earth's crust itself is not. The earth's crust contains and is host to many living organisms, however it's own composition and processes is not that of a living thing. This makes me believe there is a vast difference between the earth's crust and the human body.

Any thoughts on this ?

C'mon, people! I need thoughts. I thought you guys were all about science!

Well, I think your boyfriend has a nice answer. Th only thing I might point out is that in biology there is such a thing as mutualism - where both species benefit from an interdependent relationship. However, judging how many species have gone extinct due to human action, perhaps the better argument can be made for humans as parasites. I think the human body may contain elements in different ratios than what exists in the nonliving environment, but humans had to evolve from the plalet, so all of its raws materials had to come from its surroundings. As another individual pointed out, some elements, such as carbon, may be more likely to be found in the type of organic compounds that make up the human species. Other elements may be less conducive to such basic chemical processes. Still, one organism's poison may be another organisms source of energy, so unexpected combinations can emerge. Hope this helps, or did I just do my usual and confuse everyone more?


aaa

http://a6.sphotos.ak.fbcdn.net/hphotos-ak-snc4/hs790.snc4/67039_166534646696550_100000200468970_591601_3795479_n.jpg

Trekwolf164

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POSTS: 32043

Report this Feb. 10 2011, 6:35 am

Quote: DNesh @ Feb. 10 2011, 6:12 am

Quote: caltrek2 @ Feb. 09 2011, 7:13 pm

Quote: DNesh @ Feb. 09 2011, 6:33 pm

Yes. I am learning that Carbon is extremely important. I think there is an element of carbon in just about everything.....I think.

Anyway...This is the more intelligent post on the messageboard I was hoping to respond to. I just read it and go, whaaa??

While the human body and the earth's crust are similar in ways, I believe they are vastly different in elemental composition. They only share two common elements based on only the mass elements of each. The elements shared are oxygen and calcium. The human body then also contains in it's mass elements carbon , hydrogen and nitrogen, whereas the earth's crust contains silicone aluminum and iron. Both the human body and the earth's crust do contain many of the same minerals, however these are considered trace elements.

Another reason I think that the human body differs greatly to the earth's crust is because the human body is a living organism and the earth's crust itself is not. The earth's crust contains and is host to many living organisms, however it's own composition and processes is not that of a living thing. This makes me believe there is a vast difference between the earth's crust and the human body.

Any thoughts on this ?

C'mon, people! I need thoughts. I thought you guys were all about science!

Well, I think your boyfriend has a nice answer. Th only thing I might point out is that in biology there is such a thing as mutualism - where both species benefit from an interdependent relationship. However, judging how many species have gone extinct due to human action, perhaps the better argument can be made for humans as parasites. I think the human body may contain elements in different ratios than what exists in the nonliving environment, but humans had to evolve from the plalet, so all of its raws materials had to come from its surroundings. As another individual pointed out, some elements, such as carbon, may be more likely to be found in the type of organic compounds that make up the human species. Other elements may be less conducive to such basic chemical processes. Still, one organism's poison may be another organisms source of energy, so unexpected combinations can emerge. Hope this helps, or did I just do my usual and confuse everyone more?
aaa

Honey when you say aaa is this related to the Earth's crust or deeper in the planet ?

www.youtube.com/watch?v=TcdZla4gKk0

DNesh

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POSTS: 6409

Report this Feb. 10 2011, 7:19 am

This messageboard is downright confusing to post on. What happened?


Anyhoo....The above response was not my original response to Caltrek. I guess that is lost in the wind. Thanks for helping, Cal. I do remember saying TW did agree with the concept that humans are parasites of the earth.


I broke down and googled an answer.....Now, to try and put it in my own words and act like I might even comprehend it....




The distribution of elements in the living body and other living systems is very different then that found in the earths crust. This distribution is the result of organisms selectively taking up matter from their external environment rather than simply accumulating matter representative of their surroundings. Food intake constitutes the primary selective intake process. Only 4 atoms are found in the human body at atom percentage levels greater than 1%.


 Hydrogen, carbon, & nitrogen are all much more abundant than in earths crust, (figure 1.110b) and oxygen is significantly less abundant than in earths crust.


 The dominance of hydrogen and oxygen in the human body reflects its high water content. Hydrogen is over twice as abundant as oxygen, largely because water contains hydrogen and oxygen in a 2 – 1 atom ratio.


 Carbohydrates, fats and proteins, nutrients required by the human body in large amounts are all sources of carbon, hydrogen, & oxygen. Proteins are the body’s primary nitrogen source.


This chart came with a nifty graph of the elements but it wouldnt copy.




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