[/LIST]
Have fun playing your customary word games in your futile attempt to distract attention from the fact that you can't answer this elementary question.
We'll take up a collection to buy you a mirror. You are sorely in need of one.
[/LIST]
Have fun playing your customary word games in your futile attempt to distract attention from the fact that you can't answer this elementary question.
Thanks. So, despite your stuupidity ....
A more careful reader would not have made the mistake you have made.Thanks. So, despite your stuupidity in saying that non-mammals are ancestors of mammals, you nevertheless just admitted the truth that no mammal ever inherited fur or hair and milk glands from one or more non-mammals.
i hope we get our smileys back soon
We're working out a few other kinks in the new system regarding infractions and bans. Those come first.
:dizzy: Chihuahuas are still wolves in the sense of they're members of Canis lupus. They're very strange and heavily modified wolves, but still wolves in a real sense. They're just some new version of a wolf.
That's how cladistics work. They never stop being connected to their ancestors. The essential characteristics are passed down. They may end up heavily modified but they're modifications of the original.
:dizzy: Chihuahuas are still wolves in the sense of they're members of Canis lupus. They're very strange and heavily modified wolves, but still wolves in a real sense. They're just some new version of a wolf.
That's how cladistics work. They never stop being connected to their ancestors. The essential characteristics are passed down. They may end up heavily modified but they're modifications of the original.
:dizzy: Chihuahuas are still wolves in the sense of they're members of Canis lupus. They're very strange and heavily modified wolves, but still wolves in a real sense. They're just some new version of a wolf.
That's how cladistics work. They never stop being connected to their ancestors. The essential characteristics are passed down. They may end up heavily modified but they're modifications of the original.
:dizzy: Chihuahuas are still wolves in the sense of they're members of Canis lupus. They're very strange and heavily modified wolves, but still wolves in a real sense. They're just some new version of a wolf.
That's how cladistics work.
They never stop being connected to their ancestors.
The essential characteristics are passed down. They may end up heavily modified but they're modifications of the original.
You don't have an animal that's a "non-mammal" giving birth to a mammal. Really if it's giving birth it's already a mammal, and a placental or marsupial mammal at that.
Instead there's a gradual transition from a group of amniotes some of which gain milk production, others gain hair and eventually one hits the combination of milk production and hair that we see in mammals like the Echidna and Platypus (Living egg laying mammals). Then some of those develop more advanced reproduction - leading to the marsupials whereas others develop full on live birth becoming the placental mammals. There would never be a perfect dividing line between mammal and non-mammal if you could see all the ancestors. Extinction actually makes our job easier because all of the intermediates are gone and when you compare a lizard and a rat, there's a clear difference between them. But both lizard and rat share some common characteristics due to shared ancestry.
But there are plenty of situations in life where there are gradual transitions.
At what point when building a bridge is something *a bridge* vs. an assemblage of parts?
It's funny when you trot out your pretty pictures like they're a historically documented sequence of facts.Officially, mammals have their lower jaw joint at the dentary, and reptiles have the joint at the articular bone. Right at the transition, there are animals with both joints:
A more careful reader would not have made the mistake you have made.
I recommend paying more attention to the language used.
Stuart
You don't have an animal that's a "non-mammal" giving birth to a mammal. Really if it's giving birth it's already a mammal, and a placental or marsupial mammal at that.
Instead there's a gradual transition from a group of amniotes some of which gain milk production, others gain hair and eventually one hits the combination of milk production and hair that we see in mammals like the Echidna and Platypus (Living egg laying mammals).
Then some of those develop more advanced reproduction - leading to the marsupials whereas others develop full on live birth becoming the placental mammals.
There would never be a perfect dividing line between mammal and non-mammal if you could see all the ancestors.
Extinction actually makes our job easier because all of the intermediates are gone and when you compare a lizard and a rat, there's a clear difference between them. But both lizard and rat share some common characteristics due to shared ancestry.
But there are plenty of situations in life where there are gradual transitions.
At what point when building a bridge is something *a bridge* vs. an assemblage of parts?
Kind of an artificial distinction, isn't it?
Officially, mammals have their lower jaw joint at the dentary, and reptiles have the joint at the articular bone.
:dizzy: Chihuahuas are still wolves in the sense of they're members of Canis lupus. They're very strange and heavily modified wolves, but still wolves in a real sense. They're just some new version of a wolf.
That's how cladistics work. They never stop being connected to their ancestors. The essential characteristics are passed down. They may end up heavily modified but they're modifications of the original.
Chihuahuas are an excellent example of the biblical creation model. Selection and mutations causing a loss of genetic diversity,
Chihuahuas are an excellent example of the biblical creation model. Selection and mutations causing a loss of genetic diversity,
Where do you see a loss of genetic diversity? In the fact that there are many different breeds of dogs, each with slightly different genes?
Chihuahuas, mutations and genetics are in the Bible?