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RE: Tree of Life: Why did evolution bother with multicellular life?

in #science7 years ago

Mobbs, you haven't met some of the evolution deniers and their ilk like I have. Anything that they can construe as a vague nod or wink to their position they will run with. That was my concern. You are totally correct about human perspective. We can only speculate how it will change as our knowledge grows and future technologies take hold, like AI.

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Although once a being is able to think and feel things, it stores that conscious info within it's DNA, so evolution of how the structures evolve when born isn't chosen at the time, but it does get decided by/from a conscious decision that stems from the previous living parent being.

Very unlikely @grottbags. But there is a something called epigenetics where environmental influence can modify an organism's germline DNA and therefore affect subsequent generations, even altering their behaviour. The effects of starvation in humans and worms have been shown to have epigenetic effects.
Cheers!
ian

I find this extremely unlikely to be true. You should write a post about it if you think you have evidence... for a start 'think and feel' is a vague term, as if both 'thought' - whatever that is - and 'feelings' happened simultaneously.

From my understanding, learned traits that may appear to be passed down refers to unconscious 'skills' such as resistance to viruses acquired during a lifetime. This has possibly been mixed with the reports that memories can be stored in DNA, but this is more referring to specific actions happening when specific synapses fire to lock that information in, or perhaps when stress affects and shapes DNA or other information.

There's no such evidence that some conscious, tangible thoughts can be directly passed from one to another. But again if you can find evidence of actual conscious thoughts being passed via DNA, you should write about it, I feel it would be some groundbreaking discovery

Nice reply @mobbs!
If I remember correctly, the only evidence that vaguely resembles thoughts passed via DNA or cells is a paper in 2013 that showed Planaria ( flat worms) are capable of remembering events that happened prior to having its entire head removed. This seemed amazing to me at the time and I am not sure if it has been reproduced.
Cheers!
ian

I wasn;t meaning actual conscious thought being the things that are passed along, but the alterations in our emotional behaviours caused by conscious awareness do get stored in a format to pass along later.

If you spend a life continuously stressed. You could be stressed at a million different things and reasons, but when that converts into the body, it is just registered as increased hormones and decreased emotional aspects.

A baby that is born from a stressed out emotional wrecked being, receives some of that via it's DNA. It is why some babies are more prone to having mental health disorders than others. This babies have this pre-programmed stress, if the environment is good it may never comes to light, if the environment is stressful, the pre-programmed stess info within the DNA comes to light making that baby act different compared to a non-stress chain of babies.

But point is, it will all be caused from the conscious processing from the parent that creates the stress in the first place. It wouldn't remeber the exact thought the parent had, but it will have a feeling that it does or doesn't like something and therefore act accordingly with know real thought or direction other than sub-conscious... which i believe the subconscious to be the work of our cells and their "memories"

I will try prove myself better as I go... I dont think science has done enough yet for me to find the answers im looking for, whether to confirm or disprove... will see though :D Always interesting the think

on the contrary, science has done enough in this case since you're actually just describing what we two have responded to you with, so it seems we're more or less on the same page here

haha sounds about right! :D :D