http://sciencenewsforkids.com/articles/20091014/Note2.asp
Second Related Article:
http://news.yahoo.com/s/ap/20091001/ap_on_sc/us_sci_before_lucy
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18 comments:
I thought this was an OK article. What I didn't understand was why it took soooooo long for the scientists to excavate the whole body. You would think that after finding the teeth the would go and find the rest of Ardi's body. What it didn't say in the article was if they classified her yet into a genus or a species. If they did, which ones? Did she get her own species? But anyways, I think that this article could really help us discover more about our past.
I watched a TV show about this around a week ago. Also, Noah, the reason it took the scientists such a long time to find the whole body was because a: after 4.4 million years the bones broke into very small pieces and b: they discovered ardi in an area where there were hyenas and hyenas like to chew on the bone, so the bones were scattered by the hyenas mainly. I find it very interesting how ardi could walk with a grasping toe because a lot of scientists say that it is nearly impossible to do so. I also think that ardi was not very skilled at bipedal walking and that lucy was better at it because she lost the grasping toe. But, I am still wondering about the same thing as Noah, with the genus and species.
I had heard about Ardi but I didn't know there was that much to know about something that lived so long ago. Well back to the part where I heard about Ardi/Ardipithecus. On a sleepover going to CPK for dinner my cousin told me about Ardi. Like Dario, he too saw a T.V. show on the Discovery channel about Ardi. He didn't tell me as much as this article said but one thing he did tell me that Ardi had a brain the size of a Chimpanzee's brain. They didn't mention that in the article. Now I'm not sure if my cousin got his facts right, because this article didn't mention anything about Ardi's brain size but I still believe him. I also heard, from an article this time so I think it's true, Ardi was assembled from only 125 bones. I'm not sure if that is all the bones she had but I thought it was amazing. Even though scientists took sooooo long to find Ardi's whole skeleton I respect all the new advancements in science that can discover this amazing mammal. Other people may not and that's OK, but I find it great how there are so many advancements in science nowadays. And about the genus and species question; I think I found the answer. It's name is Australopithecus garhi. Now I think you can find the genus and species off of that. I am pretty sure that is the answer, because I got it off a site that ends with edu. Dario also taught me something. Hyenas were around the dig site so the chewed on the bones. THANKS.
Sorry I wrote sooooooooooooo much. I still can't find any backing up facts about what my cousin told me.
The second article proved just as much if not more and was just as good if not better as the first.
I'm surprised how little people have visited this article, because it is just so good. Best one yet.
I heard about this about a week ago. I thought the first article was not very good; it didn't give much information and didn't describe her very well. The second article, however I think was much better and told me a lot more. My question, however, is this: Certain parts of DNA never decay and stay on the bone, so why didn't they scan the bones they have, and match the code up so that they could generate a general idea of what it looked like?
it was a cool article, (1) but i think they took too much time listing Ardi's body features. i barley learned anything about her! but i think it was cool that bones could stay intact for so long without de-composing. and they weren't really clear, did the find a fossil of her, or the actual skeleton?
I thought this article was very intriguing. I especially liked the part when they mentioned that they thought humans were descended from chimpanzees but Ardi wasnt. but she still was really good in trees and could do everything but swing from tree to tree. that makes you think.....maybe there was another species of ape or primate that went extinct. maybe we're descended from that....no explanation is impossible yet because we're mostly clueless on Ardi and where she came from...i also thought that she was very interesting because she was four feet! thats really small. also, i was thinking that it was probably normal to be four feet back then, because weve all gotten used and adapted to our environment and how people look. if we were all born with purple skin and no eyebrows, we would adapt and consider it normal to have purple skin and abnormal to be african american or white. it was probably an issue of adapting. i wonder if any of ardi or his relatives would be found in the tar pits like some other skeletons.
To Lily:
But Ardi's body features might lead to a whole new discovery and to how man kind evolved over the years. JUST AN OPINION. I RESPECT WHAT YOU BELIEVE IN.
It was pretty cool article to me. I liked learning about ardi and how she was related to humans. I like it better than some of the other articles because for me it was cool that they can learn about are past from some fossils.
Claire is totally right. It was very educational and interesting. All Ardi's traits were amazing and how similar yet different she is to humans. And how do they know it's a SHE why not a HE
I think the article could have been better, but it still was good. It's really cool how scientists are able to find the bones of a creature that could be the "missing link" for humans. Like Noah, I don't understand why it took the scientists as long as it did to uncover the bones. Overall, I really enjoyed the article.
Liz, they probably took as long as they did because they were making sure that the bones were the real bones of Ardi. they just cant go out there and say they found Ardi's bones when they might be a animal's bones
Also Liz, look up to Dario's comment because he has all of the reasons why they took so long to find the bones
In this article they only had one mini-paragraph about how Ardi was different than any another skeleton. She walked upright big woop. Jeez be a little more detailed.
I think over time with more studying of Ardi science will explain the evolution of humans and will uncover the past. And with information from the past we may uncover the FUTURE!
@ Sophie: No, they couldn't. The tar pits were created in the most recent Ice Age.
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