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originally posted by: MarsIsRed
Two parents conceive a child. The child is different. It's not a perfect copy of either/or both parents. This sums up evolution.
What part of this is difficult to understand? This is a real question.
originally posted by: BELIEVERpriest
a reply to: MarsIsRed
Evolution within the boundries of a species is self evident. However, the idea that all creatures evolved from one genetic line is totally unfounded. Macro-evolution is junk science. There is no proof that reptiles became birds, or that apes became man. Only that wolves became dogs and lions became cats. If you think about it, its more of a genetic degeneration than a true evolution.
Biological evolution, simply put, is descent with modification. This definition encompasses small-scale evolution (changes in gene frequency in a population from one generation to the next) and large-scale evolution (the descent of different species from a common ancestor over many generations). Evolution helps us to understand the history of life.
Biological evolution is not simply a matter of change over time. Lots of things change over time: trees lose their leaves, mountain ranges rise and erode, but they aren't examples of biological evolution because they don't involve descent through genetic inheritance.
The central idea of biological evolution is that all life on Earth shares a common ancestor, just as you and your cousins share a common grandmother.
Through the process of descent with modification, the common ancestor of life on Earth gave rise to the fantastic diversity that we see documented in the fossil record and around us today. Evolution means that we're all distant cousins: humans and oak trees, hummingbirds and whales.
originally posted by: Jennyfrenzy
a reply to: MarsIsRed
What you are referring to is small-scale evolution, large-scale evolution is much more complex and that's what some
people "don't get."
originally posted by: MarsIsRed
Two parents conceive a child. The child is different. It's not a perfect copy of either/or both parents. This sums up evolution.
What part of this is difficult to understand?
This is a real question.
Evolution *across* species is self evident, for anyone that looks...
originally posted by: Jennyfrenzy
a reply to: MarsIsRed
I'm giving information about evolution as that's the question you asked about. I'm not sure how my soul plays in to anything and for the record I have one. Not an I sure what makes a UC Berkeley website odd. Out of here.
originally posted by: MarsIsRed
When science allows us to manipulate DNA and choose gender, hair color, sexual orientation, etc. Will you call it evolution then?
NO - I will call that abuse of human rights...
You're point is...?
originally posted by: BELIEVERpriest
a reply to: MarsIsRed
Either that or you're just a hairy little troll.
originally posted by: Jennyfrenzy
a reply to: MarsIsRed
What you are referring to is small-scale evolution, large-scale evolution is much more complex and that's what some
people "don't get."
The definition:
Biological evolution, simply put, is descent with modification. This definition encompasses small-scale evolution (changes in gene frequency in a population from one generation to the next) and large-scale evolution (the descent of different species from a common ancestor over many generations). Evolution helps us to understand the history of life.
The Explanation:
Biological evolution is not simply a matter of change over time. Lots of things change over time: trees lose their leaves, mountain ranges rise and erode, but they aren't examples of biological evolution because they don't involve descent through genetic inheritance.
The central idea of biological evolution is that all life on Earth shares a common ancestor, just as you and your cousins share a common grandmother.
Through the process of descent with modification, the common ancestor of life on Earth gave rise to the fantastic diversity that we see documented in the fossil record and around us today. Evolution means that we're all distant cousins: humans and oak trees, hummingbirds and whales.
Small Scale Evolution:
Large Scale Evolution:
UC Berkeley An Introduction to Evolution