rojse
RF Addict
Dare I ask what creating has to do with a discussion on evolution?
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Questions about Evolution?
- Thread starter painted wolf
- Start date
Dare I ask what creating has to do with a discussion on evolution?
Who created evolution and the laws behind it? Its a subject withou escape!!!
this may interest some on here
Epigenetics: 100 Reasons To Change The Way We Think About Genetics
painted wolf
Grey Muzzle
Windows, linux, dos, leopard, C++... all can be told apart from one another and share no common ancestry.
I would expect Creator to be at least as creative as we humans are... and not so lazy as to create bloatware that would make Microsoft blush.
Epigenetics is a very interesting phenomenon... but you will notice the article says nothing about disproving evolution with it.
That is because evolution is quite stable with epigenetic change... indeed phenotypic plasticity has been well known and studied in evolution for a long time. Epigenetics only helps to give a more solid mecchanism behind it.
wa:do
camanintx
Well-Known Member
Why do you assume that natural laws were created?
Autodidact
Intentionally Blank
Well, if you're an all-powerful divine being, you could do that, or the opposite, or anything in between. After all, you're all-powerful and unknowable! That's why science can't study you.
But would you stick non-functioning eyes on a blind fish?
Maybe? God's ways are mysterious to us.
Autodidact
Intentionally Blank
well, if you're a theist, then you would say that your God did. Nothing wrong with that.
painted wolf
Grey Muzzle
back on topic perhaps?
wa:do
wa:do
rojse
RF Addict
Back on topic, Would you be able to discuss the idea of Epigenetics please, Painted Wolf?
painted wolf
Grey Muzzle
Sure... epigenetics is any change in phenotype that is not the result of a change in genotype.
That is, it's a change in appearance that has nothing to do with a change in the DNA.
A good example is fur color in cats.... fur color in cats is primarily determined by factors in the womb of the mother. This was demonstrated with the first cloned cat, who came out a different color than the original.
Different things can cause developmental changes... mostly it involves environmental cues such as chemicals ingested by the mother or stress hormones.
Cancer is also an epigenetic change... so some of these changes can happen in adult organisms.
Rarely some changes to an adult organism can be passed down to their offspring. Prions are good at doing this for example.
wa:do
That is, it's a change in appearance that has nothing to do with a change in the DNA.
A good example is fur color in cats.... fur color in cats is primarily determined by factors in the womb of the mother. This was demonstrated with the first cloned cat, who came out a different color than the original.
Different things can cause developmental changes... mostly it involves environmental cues such as chemicals ingested by the mother or stress hormones.
Cancer is also an epigenetic change... so some of these changes can happen in adult organisms.
Rarely some changes to an adult organism can be passed down to their offspring. Prions are good at doing this for example.
wa:do
painted wolf
Grey Muzzle
Beauty is in they eye of the beholder...
But in this case another perspective is needed.
Many species of fish make their livings on the bottom of lakes, rivers and the ocean. Especially in the ocean you want to be able to blend into your surroundings. The water tends to be much clearer and the predators have much better eyes (and color vision).
This particular strategy however, started with a mutation... that started sending the eyes off the middle of the head and onto one side. There is even a fossil flatfish that is a transitional stage between the normal fish condition and the modern flatfish condition.
Flatfish Fossils Fill In Evolutionary Missing Link
This strange condition allows the flatfish to keep a low profile (literally) while still being able to keep both eyes on food, mates and danger. The fins can help break up the profile and you only have to expend energy on camouflage for one side.
Not that this protects them from us... we have been fishing them (and just about every fish species) to near extinction to satisfy our hunger for cheap fish sticks and fake crab meat...
wa:do
But in this case another perspective is needed.
Many species of fish make their livings on the bottom of lakes, rivers and the ocean. Especially in the ocean you want to be able to blend into your surroundings. The water tends to be much clearer and the predators have much better eyes (and color vision).
This particular strategy however, started with a mutation... that started sending the eyes off the middle of the head and onto one side. There is even a fossil flatfish that is a transitional stage between the normal fish condition and the modern flatfish condition.
Flatfish Fossils Fill In Evolutionary Missing Link
This strange condition allows the flatfish to keep a low profile (literally) while still being able to keep both eyes on food, mates and danger. The fins can help break up the profile and you only have to expend energy on camouflage for one side.
Not that this protects them from us... we have been fishing them (and just about every fish species) to near extinction to satisfy our hunger for cheap fish sticks and fake crab meat...
wa:do
Alceste
Vagabond
So do flatfish tend to evolve toward symmetry,or do they appear to level off with sideways mouths and asymmetrical fins? Don't get me wrong - they're kind of cute the way they are, but I am under the impression (maybe I'm wrong, or at least mammal-ocentric) that most organisms are fairly symmetrical.
Gharib
I want Khilafah back
of course there is something new, species are always "evolving" right?
i do have some questions, but can't think of what they were, i will have to get back to you on this.
Autodidact
Intentionally Blank
OK, I have a question: What the hell is going on here?
How is this thing well adapted anything but ridicule?
Oh stop it. No SRSLY that thing is great. Maybe I should use it for an avatar.
Alceste
Vagabond
Good idea! I wonder if I could whip up a .gif animation of it where its crazy little sideways mouth opens and closes...
painted wolf
Grey Muzzle
developmentally they start out symmetrical... flatfish fry (babies) look like normal fish, but the genes that regulate their growth have mutated in such a way that as they grow their eyes travel to the position they are in as an adult. Some bones grow faster on one side of the face than on the other.
YouTube - Developmental morphing - flatfish - ALEX SCHREIBER
wa:do
painted wolf
Grey Muzzle
Not just that, but new discoveries on how and why evolution happens are being made... the genetic revolution has opened a whole new window on the how and why.of course there is something new, species are always "evolving" right?
For example the FoxP2 gene and it's role in our ability to use language... the same gene with a slightly different mutation gives bats the ability to echolocate.
I look forward to any honest questions and discussion.
wa:do
DarkSun
:eltiT
ok, i have a question: What the hell is going on here?
how is this thing well adapted anything but ridicule?
Bahahahahahahahahahahaaa!!!