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Even though evolution is usually described in terms of populations. Individuals of a new species still must be born. Which results in this situation where a mother of one species must give birth to an individual of another species, at some point in time. Even if the mother is practically identical to her child.I know. I never said it wasn't. It's unfortunate, but that's just the way that it is.
Thanks. Well that's what I've been trying to express to our friend here. The latter half at least, that there is such a thing as a "first member" of a new species that is born.
Yea that's an interesting observation. Though I've noted above that this wouldn't be the case for a single lineage, because you can't have a hybrid that is a cross between a currently living species and some species that has yet to come into existence. Well, we wouldn't be able to identify such a thing as a hybrid at least. So, though it is interesting, it didn't really help us out there.
Ultimately the question was, could an individual of 1 species, give birth to an individual of another species. And my thought is, as strange as it sounds, the answer has to be yes. Because if mothers only ever had children of the same species that they were, then new species would never arise. So at some point, some mother, somewhere, at some time, must give birth, to an individual that is of a different species. Because if the new species (it's individuals in particular) is not born into existence, then there is no other way that a new species could come to be.
And so we went on this rabbit trail of analogies related to colors of paint and drops in a bucket.
Ok, so that's the same with speciation. At some point, there must be a point of no return.Right. Just like our bucket. After 10 drops. After enough changes have been accumulated.
it's quite possible for a first member of the new species to be born, and then for that individual to give birth to a member of the old species
Right, so ultimately the question is, could an individual of one species give birth to an individual of another species while still being able to interbreed? Or are we changing the definition of species mid-way through that sentence?Ultimately the question was, could an individual of 1 species, give birth to an individual of another species.
You are confused because you are changing definitions. Stick with the same definition throughout your thought. Do different species interbreed or not?Ok, so that's the same with speciation. At some point, there must be a point of no return.
So once we hit that moment, we have two different species. And of that latter species B, if we break that down into individuals, one of those individuals had to come first in time.
Yes. One way we could imagine this happening is if it were broken down into subspecies. Like in a case of ring speciation. One of the colors is unable to interbreed with the original population (red to purple), but there are always still other subpopulations bridging the gap. So there are always others around to breed with. And at some point in time, one of these colors has crossed a point of no return. And of that color/population/subspecies, one of the individuals of that group came before the others.Right, so ultimately the question is, could an individual of one species give birth to an individual of another species while still being able to interbreed? Or are we changing the definition of species mid-way through that sentence?
I'm staying comfortably on track here.You are confused because you are changing definitions. Stick with the same definition throughout your thought. Do different species interbreed or not?
I agree that an individual has to be born with all the traits of the new species. (The 10th drop in the bucket) But that individual has to have enough traits in common with the population at the time, that that individual is the same species as the population at the time. Otherwise they wouldn't be able to interbreed.
Watch the movie again. Relative to the island population, the birds never stopped interbreeding. Relative to the mainland population, they did. Species is not an absolute concept. It's fuzzy, it's relative, it changes, and that's why a dog is a different species depending on who you ask.
Exactly! But compared to it's close relatives, each one can reproduce.Yes. One way we could imagine this happening is if it were broken down into subspecies. Like in a case of ring speciation. One of the colors is unable to interbreed with the original population (red to purple), but there are always still other subpopulations bridging the gap. So there are always others around to breed with. And at some point in time, one of these colors has crossed a point of no return. And of that color/population/subspecies, one of the individuals of that group came before the others.
Ok sure. But we still would have a case of a mother giving birth to a child of a new species. Even if she could bizarrely or grossly interbreed with her own child.
So species can interbreed? You just changed the definition.I'm staying comfortably on track here.
With subspecies, you can have new species arise while still retaining options interbreeding.
And of all those subspecies, they consist of individuals. And of those individuals, one had to come first. Because entire populations arent instantaneously born at the same time.
Not bizarrely. That child, in order to pass his new mutation, should be able to interbreed with any number of individuals from his time. He should have no problems attracting a mate. He should be more attractive actually, not less.Ok sure. But we still would have a case of a mother giving birth to a child of a new species. Even if she could bizarrely or grossly interbreed with her own child.
So species can interbreed? You just changed the definition.
I mean grossly, in the sense of incest.Not bizarrely. That child, in order to pass his new mutation, should be able to interbreed with any number of individuals from his time. He should have no problems attracting a mate. He should be more attractive actually, not less.
Ok, so now that we've beat that dead horse into oblivion, we've reached a point where we observe that a mother can give birth to a child of a different species.Not bizarrely. That child, in order to pass his new mutation, should be able to interbreed with any number of individuals from his time. He should have no problems attracting a mate. He should be more attractive actually, not less.
But we just decided that the hybrid does not have it's own species, and that an individual somewhere in the transition period is not a hybrid. So hybrids don't really apply here. And yes, hybrids are confusing because again, the definition of species is changing here. Species don't interbreed, but they do. What?In the sense of a mother having babies with her child, yes. And as noted before, grizzleys and polar bears interbreed, as can lions and tigers. And I'm pretty sure I pointed that out multiple times when we first began this conversation.
You are too quick to jump to conclusions. If Adam could interbreed with other people at the time, then species can interbreed. If species can interbreed, then what exactly defines a species? If Adam and his mom were different species, Adam's mom had some kind of small difference from Adam. Like a skin color for example. So Adam's white skin makes him human, while his black mom is not. See the issue here?Ok, so now that we've beat that dead horse into oblivion, we've reached a point where we observe that a mother can give birth to a child of a different species.
So we can now rewind 35 pages back to your original analogy with circles and squares.
I'm not sure what you are asking.Yes, I wrote that. Did you not understand the question? You didn't answer it.
Do you think no one believed in God before the Bible was written, or that no non-Christian believes in God?
Yes, I know the verse. Your invocation of it here is flawed for multiple reasons.
1) 'Inspired' in English does not mean 'inerrant'. Something can be inspired and still be wrong in spots.
2) The verse says that every writing is profitable. It doesn't anything like what you're saying, which is that belief in them is required for salvation. Lots of things are profitable for reproof, correction, training in righteousness. I can point you to numerous sermons and books that are profitable for those things. No one would claim that belief in the infallibility of those sermons and books.
3) 'Every writing' does not mean the Bible, which didn't exist what II Timothy was written. The author is presumably referring to Jewish religious texts, many of which went on to become our Old Testament after the process of canonization, but which did not include the New Testament and which very likely included other texts not in our Bibles.
4) All of this presumes that θεόπνευστος is correctly translated as 'inspired'. John Poirier has a book-length treatment of this word (The Invention of the Inspired Text) that makes a pretty persuasive case that when II Timothy was written, the meaning of the word was more like 'life-giving' (there's another word available in Greek that means inspired, 'ενθεος').
The New Testament is pretty clear: to be a follower of Christ means to believe the Gospel and to follow him. All of the early conversions recounted in the Bible arise from people believing the preaching of the Gospel, before the Bible even existed as such. Requiring people to believe something specific about the Bible is adding to the Gospel.
What I'm pointing out is that, interbreeding is not a make or break concept for new species. That's all that is about.But we just decided that the hybrid does not have it's own species, and that an individual somewhere in the transition period is not a hybrid. So hybrids don't really apply here. And yes, hybrids are confusing because again, the definition of species is changing here. Species don't interbreed, but they do. What?