3 species that do evolve

[Warrior FC]

THESE ARE FACTS!

1.)A tadpole turns into a frog

2.)A caterpillar turns into a butterfly

3.)Maggots turn into flies

... Can you list anymore? (Please only list FACTS, not theories).

Ok... then, name those that change into other forms!

 

[ifriit]

*sigh* All species evolve. It's a fact.

 

[notto]

So, what definition of evolution are you using?

Please describe how these examples show change in the genetic composition of a population during successive generations, as a result of natural selection acting on the genetic variation among individuals, and resulting in the development of new species.

It seems that you are misinformed (or uninformed) about what the theory of evolution really says.

Individuals don't evolve, populations do, gradually, over time.

 

[Warrior FC]

ok then, change into other forms

 

[ifriit]

Warrior FC: ok then, change into other forms

Individuals don't evolve. Populations do.

 

[Warrior FC]

Did the human population evolve?

If so, then from what form?

 

[seebs]

That's not evolution, it's metamorphosis. Depending on how extreme you want to be, you can make a case for it in nearly any multicelled species.

 

[ifriit]

Warrior FC: Did the human population evolve?

Certainly, and it continues to do so.

Warrior FC: If so, then from what form?

Paleontologists are still trying to determine this. Here is a simple presentation; in the Lineages section, you can find three different theoretical hominid species trees.

 

[JesusServant]

Warrior, didn't you post earlier you were going to quit posting on evolution, that the debate was basically useless?  Just curious.

 

[Warrior FC]

My curiousity got rekindled!

 

[JohnR7]

Originally posted by seebs
That's not evolution, it's metamorphosis. 

Exactly what I was going to say. Although metamorphosis could be used as a arguement to support the theory of evolution.

 

[Warrior FC]

Now we are getting somewhere!

 

[JesusServant]

Originally posted by JohnR7
Exactly what I was going to say. Although metamorphosis could be used as a arguement to support the theory of evolution.

 

Well, I disagree there.  Metamorphasis happens in one life cycle, evolution requires at least a half breed, or, once again, we're stuck with my smart-butt answer to evolution.  If I swim in a pool for a few years I'll grow fins.

 

[ifriit]

JohnR7: Exactly what I was going to say. Although metamorphosis could be used as a arguement to support the theory of evolution.

I sincerely doubt it. The existence of metamorphosis is neither predicted nor disallowed by evolutionary theory, so is irrelevent as far as I can see.

 

[Warrior FC]

Different species require different environments to survive!

If you take fish out of the water and over time expect them to start growin legs and walking around, you will find that they have died off and have become extinct! They don't evolve into fish with legs and lungs!

 

[ifriit]

Warrior FC: Different species require different environments to survive!

If you take fish out of the water and over time expect them to start growin legs and walking around, you will find that they have died off and have become extinct! They don't evolve into fish with legs and lungs!

You're correct. Of course, this is not what evolutionary theory predicts in the first place. Instead you get all these strange species that can hold their breath for extended periods of time, or that can breathe air or water, and flop around on their fins awkwardly... which, over generations, give rise to species that can operate on land better and better.

 

[lithium.]

They don't evolve into fish with legs and lungs!

Heh there is already fish that walk

http://www.christianforums.com/threads/28786.html

 

[Warrior FC]

Originally posted by ifriit
You're correct. Of course, this is not what evolutionary theory predicts in the first place. Instead you get all these strange species that can hold their breath for extended periods of time, or that can breathe air or water, and flop around on their fins awkwardly... which, over generations, give rise to species that can operate on land better and better.

Such as?

 

[ifriit]

Warrior FC: Such as?

Well, snakehead fish come to mind. Apparently they can survive up to four days on dry land, and are known to do so to find better places to survive.
Or how about mudskippers, which are fish that are able to process airbourne oxygen and wander around on their fins?

 

[fieldsofwind]

posted by ifrit: "Instead you get all these strange species that can hold their breath for extended periods of time, or that can breathe air or water, and flop around on their fins awkwardly... which, over generations, give rise to species that can operate on land better and better."

And, how do they get to this stage? (breathing both air, and able to take in oxygen through gills--having lungs and gills) Basically, how did they get lungs from no lungs? Also, how many transitions (very minor) would it require to reach the next "stage"?

take care

FOW