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Originally posted by grover
I think that H. P. Lovecraft had it right... that alien life forms would be so alien we would consider them monsters.
No Sponge In Human Family Tree: Sponges Descended From Unique Ancestor
ScienceDaily (Apr. 3, 2009)
An international research group led by LMU Munich Geobiology Professor Gert Wörheide and colleagues from France and Canada has now managed to explain the relationships between some of these very early animal groups with a high degree of confidence. In the most comprehensive study of its kind, the researchers show that all sponges descended from a unique sponge ancestor, who in turn was not the ancestor of all other animals. That means that humans did not descend from a sponge-like organism either, as some scientists have put forward. Moreover, the results also suggest that the nervous system only evolved once in animal history...
... The exact relationships among these early animal groups are still controversial, as different research groups have often obtained conflicting results. In particular, results from morphological studies, which look for structural similarities between different organisms, frequently contradict the results from molecular biological studies. The latter explore the functions of genes, and deduce phylogenetic relationships from gene sequences.
Aiming to resolve these controversies, a group of international scientists led by Hervé Philippe (Université de Montréal, Canada), Gert Wörheide (LMU Munich, Germany) and Michael Manuel (University of Paris, France) performed the most comprehensive study to date and investigated 128 genes from a total of 55 species – including nine poriferans, eight cnidarians, three ctenophores and the single known species of placozoans. Their analyses were based on a relatively new approach called phylogenomics, which determines the evolutionary relationships of life forms by comparing large datasets of gene sequences. Together with biochemists, evolutionary and computational biologists from Germany, France and Canada, the team analyzed more than 30,000 amino acid positions. Using computer analyses, the researchers then estimated a phylogenetic tree that displays how related the studied animals are.
One of the most significant outcomes of this study is new evidence that all species of sponges are descendants of a single ancestor. On the other hand, Bilateria, which include worms, mollusks, insects, and vertebrates, did not descend directly from this "spongy" ancestor. "If the ancestral animal would have had a sponge-like organization or body, as some earlier molecular studies repeatedly claimed, then we would all be descendents of such sponge-like organisms," explains Wörheide. "This proposition generated a lot of attention in the past. But our results clearly disagree with it."
Originally posted by grover
for example some species have up to 25 different sexual combinations available to them (I dated a woman like that once ) depending on conditions and other factors.
Originally posted by Nightchild
reply to post by glimmerman
Indeed there are. One interesting phenomena in this field is the sudden apparence of RH-Negative people, many thousands of years ago. It is interesting that these people have traits that is normaly only found in hybrid-unions, and on top of that, certain traits that differ them considerably from "ordinary" Humans.
By the way; Which race do you believe are the visiting one?
Originally posted by glimmerman
The ones responsible for our genetic make-up today
I see. Well yes, it would definitely be interesting to know exactly what type of species those Annunakis really were.