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The eggs form naturally, whether or not it is fertilized. First, the yolk, the yellow nutrients of the egg, is released from an ovary and passed as a tiny fluid membrane ball through the female's reproductive tract. As it develops, the egg whites, or albumen, are secreted around it. Next, the shell develops as layers of calcium and other minerals build up around it. The egg is then passed through the body and exits as a fully formed egg. It is rather like an assembly line. In the birds body, there is a whole line up of undeveloped eggs, each at a more advanced stage than the one behind it, all lined up like small marbles. The eggs continue to develop constantly as long as the animal is alive, but the productivity varies depending on the time of year, whether the bird has chicks or not, and its age.
The experiment used water (H2O), methane (CH4), ammonia (NH3) and hydrogen (H2). The chemicals were all sealed inside a sterile array of glass tubes and flasks connected together in a loop, with one flask half-full of liquid water and another flask containing a pair of electrodes. The liquid water was heated to induce evaporation, sparks were fired between the electrodes to simulate lightning through the atmosphere and water vapor, and then the atmosphere was cooled again so that the water could condense and trickle back into the first flask in a continuous cycle.
At the end of one week of continuous operation Miller and Urey observed that as much as 10-15% of the carbon within the system was now in the form of organic compounds. Two percent of the carbon had formed amino acids, including 2-3 of the 22 that are used to make proteins in living cells, with glycine as the most abundant. Sugars, lipids, and some of the building blocks for nucleic acids were also formed. Nucleic acids (DNA, RNA) themselves were not formed. As observed in all consequent experiments, both left-handed (L) and right-handed (D) optical isomers were created in a racemic mixture. Virtually all amino acids in the proteins of living cells are left-handed amino acids. Any right-handed amino acids, for the most part, are poisonous to the construction of the protein, causing it to unravel. Equal amounts of left- and right-handed amino acids would not be an environment friendly to life.
so he made the animals as working crawling, flying, swimming things.....therfore the chicken came first.....
Originally posted by OnionCloud
Alternatively, we are a minuscule existence that lives a time-warped reality/parallel universe, and we are graciously floating through the air on another planet as part of an atom (perhaps smaller than a quark) of saliva (mostly H20) that is being spit from the mouth of one Keith Hernandez. We exist in this time warp, so 1 second of their time is practically immeasurable for us, and we can't observe reality on their scale. Eventually, though, we will collide with the right temple of a head that belongs to a person known as Kosmo Kramer, and all life will cease to exist.
I think I like my version better. Just as unverifiable, but far more entertaining.