Think about how crazy that is. Fish walking out of the water. Somehow evolving from a creature that lays eggs to a mammal that uses intercourse now instead. Gills falling off and lungs forming. These land creatures becoming dogs and deers. These creatures living by water and eventually evolving to something like a hippo (in and out of the water) and then evolving into a gigantic mammal called a whale.
And all this via “random mutations” and possible adaptability.
A friggin whale! 5,000kg and built in echolocation.
Lots of species have attributes that other species have, I would point to it as proof of evolution, more like proof of a narrative joining things together.
before tiktaalik was discovered, it was predicted.
people knew there had to be a species like this.
& they had an idea of when and where it would be found.
& when they went looking for it, they found it.
it is a true 'transitional' species, one that is a bridge between ancient prevertebrate life and our current state.
that is why evolution is a true science: because you can apply the theory to make predictions, and have those predictions proven correct.
how you choose to 'point to it' doesn't say much about what it is.
it speaks volumes about how you view the world and take in information.
I'd argue that a species becomes very locked into their genetic spectrum and there is no space for change. As varied as dogs are, they can't become a horse.
i know that's what you'd argue. you've said stuff like that here a bunch of times.
& i'm too old and tired to get into long talks with creationists now. if you'd caught me on this topic 25 years ago, i would have been happy to tear it up with you.
all i'll say is, if that's your belief, then you have a whole bunch of inconvenient facts that you have to deal with.
ie why aren't there human or dog fossils the further you go back, and why the fossils we find from millions of years ago don't look like anything that's around now?
or why there are genetic commonalities between evolutionary siblings like the great apes that show shared ancestry. things like that.
creationists don't address those things. they hand-wave them away or concoct fantastical stories that are deeply silly. certainly far more fanciful than the accepted knowledge that all life on earth evolved from earlier species.
blah blah blah...i'm sorry for prattling on anyway. i'm not really here to argue with anyone. certainly not creationists. i actually don't even really care that much about things like that anymore. it seems silly to me, but i certainly don't get angry about it anymore. go off and live your life. if something like this makes you happy...eh, ok. feels sad to deprive yourself of genuine insight, but it's your life.
Who cares what you'd argue? You haven't established yourself as being educated or trained or experienced in any field that would allow you to argue anything with any kind of authority.
Since the bodies of the terrorists who attacked the World Trade Center were never found, some believe that the terrorists trained kangaroos to fly those planes. The terrorists parachuted out mid-flight and made their way to Australia.
Moray eels are the current example , i read an article the other day - theyre feeding on land.
I dont know if theyve got jobs , or bought houses yet , but theyre on their way.
it took about 300 million years for the sea-land-sea adaptation process to occur, for cetacea. that's a lot of time - slightly less than half the interval from the advent of multicellular microorganisms in the ediacaran (635 million years ago) to the present.
it was also not a unique or the first such transformation - there were & are a number of marine reptiles during the mesozoic, and beyond :
that's true. whales are descended from artiodactyla (even-toed ungulates). their nearest living relative is a hippo.
they diverged from the descendents of the carnivora, latest, in the paleocene, more likely in the cretaceous.
whale evolution is fairly exhaustively documented - major discoveries by Phil Gingerich in Pakistan starting in the 70s told the tale. to those with ears.
one aspect of this you, for whatever stupid reason, don't get is that :
1. mutations are random AND
2. only adaptive mutations tend to be conserved
which nets out to a non-random process, tuned to environmental conditions which themselves change radically, over time.
that's a lot of selection & winnowing.
and so, your notion that evolution is a RANDOM process is - mindless. how could, otherwise, nature adjust to changing conditions without some randomizing engine, since nature can't PREDICT the changes to come, or the competition in the environment ?
i'm going out on a limb here and assert that you have never given evolutionary theory a serious clear-eyed look devoid of fundamentalist humbuggery.
I don't really know which "new spieces" you talk about.
But all current spieces have evolved from spieces, who were already here when the dinosaurs ruled the planet.
Mutations also appear to be random, and not transferred to offspring. Example, people born with 6 fingers/toes are an anomaly, not an evolution of the human specie. Their offspring do not have 6 fingers.
Mutations also appear to be random, and not transferred to offspring. Example, people born with 6 fingers/toes are an anomaly, not an evolution of the human specie. Their offspring do not have 6 fingers.
"Some mutations are hereditary because they are passed down to an offspring from a parent carrying a mutation through the germ line, meaning through an egg or sperm cell carrying the mutation. There are also nonhereditary mutations that occur in cells outside of the germ line, which are called somatic mutations."
Not all dinosaurs died off. Did you know that modern birds are descended from dinosaurs? And there were other species living at the same time, including mammals. New species evolved from them and other animals which survived.
Think of stretching a piece of gum, what happens the more you stretch it? It breaks. Think of that breaking as something locking into a specie. It's done. It changed change. A million years could pass and a dog could not evolve to be a cat.