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    who come first hen or egg

    +5  Views: 920 Answers: 12 Posted: 12 years ago

    12 Answers

    Close........"What came first, the chicken or the egg?"  I just don't know the answer to that question.  Do you?

    The rooster....oh i'm bad!

    Ducky

    Moderator
    Yes daren...yes you are!!!! :)

    The evolution of eggs predates the evolution of chickens.

    Ducky

    Moderator
    Okay then. :)
    mycatsmom

    Robert....Identify your resources for that statement.
    robertgrist

    Here it is:

    icb.oxfordjournals.org/content/20/2/351.abstract‎
    Abstract

    Evolution of the avian egg from the naked amniotic egg of ancestral reptiles probably was the outcome of intense predation by soil invertebrates and microbes on a highly integrated and coadapted complex of characters. The calcareous shell which from its inception afforded a measure of protection to eggs against attacks by soil organisms became progressively thicker and more complex in the face of continuing selection for antipredator devices. However, increases in thickness and complexity of eggshells led to simultaneous reductions in the amount of liquid water that could be absorbed by incubating eggs from the substrate. Because embryos initially were dependent upon uptake of substantial quantities of water from the environment to satisfy their needs for this solvent, adaptive increases in thickness of the eggshell required coupled increases in the amount of water contained by eggs at oviposition, thereby reducing the degree of dependence of embryos upon external sources of water for successful completion of development. The rigid-shelled eggs resulting from this evolutionary sequence absorbed little (if any) liquid water during incubation, and the eggs contained sufficient water at oviposition to sustain embryos to hatching. Such eggs were functionally cleidoic and had attained an avian level of organization.
    Ducky

    Moderator
    Stay on your toes Robert! LOL!!

    The zygote cell is the only place where dna mutations could produce a new animal, and the zygote cell is housed in the chicken egg. Sooooo, the egg must have come first.

    Ducky

    Moderator
    Wow, zorro!!! Pretty smart today! :)

    ""

    william5559

    BUT IS THAT THE OXFORD DICTIONARY,HA,HA,

    The egg had to have something to sit on it to make it hatch,  so the answer is obvious, Hillary Clinton.

    facebook

    OH! My thought was Obama! he lay eggs doesn't he?
    mycatsmom

    Caddam,that was funny :-D

    ""Yippee!

    A reptile egg came in way earlier than the chicken.

    The Duck

    This has been an  oft debated question for years.It's almost become trite and humorous. I would think the hen came first to produce an egg. An egg can't be produced without the hen first conceiving it,......then incubating it .

    Easy.. The hen came with the egg in her. Thus she gave birth to the first cockrel, who then copulated with its own mother which was, it appears allowed in those days, since Adam and Eve were also the first parents. The practise in animals continues to-date and is uncontrolled, the practise in people is called incest. Probably also accounts for the fact that no genetic defects are in animals by the "Sole pollination" between animals, but accounts for the malformations between like kinds because the purpose no longer needs to be served... "Go forth and multiply". Animals are almost becoming extinct, so the message and habit continues amongst animals.

    zorro

    What ?

    we do not say which is first .The dinosaur egg was first.

    robertgrist

    fish eggs predate dinos.


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