Starting today August 7th, 2024, in order to post in the Married Couples, Courting Couples, or Singles forums, you will not be allowed to post if you have your Marital status designated as private. Announcements will be made in the respective forums as well but please note that if yours is currently listed as Private, you will need to submit a ticket in the Support Area to have yours changed.
You are assuming that macroevolution has a single path. Natural selection doesn't choose the path of evolution and Genetic barriers can further promote speciation by creating pre- or postzygotic barriers to reproduction.Those genetic barriers are a jolly nuisance, aren't they?
OK. I agree, that doesn't happen - and evolutionary theory says it doesn't happen. Birds won't become mammals and mammals won't become crustaceans... classes are separate branches of the evolutionary tree.By "macroevolution" I mean one Class of organisms evolving into a different Class of organisms.
I want a guard dog as big as a horse, but those useless dog breeders can't build me one. Guess I'll have to get an evolutionary scientist to fill that order.
I can't think of any reason why natural selection would be any more conducive to macroevolution than artificial selection
Since artificial selection encounters genetic barriers, so will natural selection.
Why would we expect to see that?Not really, they highlight evolution perfectly. Tigers and lions are still big cats, belonging to the Felindae family, but they can't create viable, fertile offspring. We'd expect to see that in evolution.
Ah yes ... we learnt all about that in Grade 2, but I forget it. Can you remind me please?I can. Phase space.
No dog breeder can produce a pink dog or one as big as a horse. No chook breeder can produce a chook as big as a turkey. No human is ever going to run 100 metres in one second.What are these 'genetic barriers'? Can you name some?
Because they are different, and in the many thousands of years that the two populations have been isolated from each other the differences have compounded.Why would we expect to see that?
Ah yes ... we learnt all about that in Grade 2, but I forget it. Can you remind me please?
No dog breeder can produce a pink dog
or one as big as a horse.
No chook breeder can produce a chook as big as a turkey.
Why would we expect to see that?
In that case I will have to review my decision.So, the variation of humans, whales, apes, rats, kangaroos and platypuses is all micro evolution because they are still in the class mammalia?
If it makes you feel better you can just acquire AV's method of calling Genus an analogy for the "Created Kinds" on Noah's Ark.In that case I will have to review my decision.
That’s not evolution. Whoever told you that was lying.By "macroevolution" I mean one Class of organisms evolving into a different Class of organisms.
This helps too:If it makes you feel better you can just acquire AV's method of calling Genus an analogy for the "Created Kinds" on Noah's Ark.
Which would also leave it just as synonymous with other terms used for long scale descent in evolutionary science.This helps too:
Etymology of "Genus"
genus: 1550s as a term of logic, "kind or class of things" (biological sense dates from c. 1600), from Latin genus (genitive generis) "race, stock, kind; family, birth, descent, origin"
Which term came first? "kind" or "genus"?Which would also leave it just as synonymous with other terms used for long scale descent in evolutionary science.
"Genus" is Latin and so predates the English word "kind."Which term came first? "kind" or "genus"?
Again, "fetus" is Latin and so predates the English phrase.Which term came first? "child in the womb" or "fetus"?
"Genus" is Latin and so predates the English word "kind."
Again, "fetus" is Latin and so predates the English phrase.
About what?He doesn't care.
About what?
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?