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fossils
DNA
I do not know. I can look at shared biochemical pathways and see direct evidence of common ancestry with other organisms.
Evolution is (very simply) populations having variations in genes over long periods of time. This being said, biochemistry is the study of biochemical reactions. One subset of biochemical reactions is the study of genetics. Evolution requires understanding of genetics, which in turn is a subset of biochemistry, hence they are connected.
Because although there is evidence to support the claims, it isn't possible to prove evolution indefinately.
DNA
fossils
DNA
I do not know. I can look at shared biochemical pathways and see direct evidence of common ancestry with other organisms.
biochemical evidence anatomical evidence fossils vestigial structure embryological evidence
Evolution is (very simply) populations having variations in genes over long periods of time. This being said, biochemistry is the study of biochemical reactions. One subset of biochemical reactions is the study of genetics. Evolution requires understanding of genetics, which in turn is a subset of biochemistry, hence they are connected.
When the protein structure changes there has been evolution in the organism
The morphological evidence which is shown in fossils to modern animals supports evolution because some dinosaurs, for instance, had feathers and we can obviously see that trait today in birds. The biochemical evidence, which comes in the form of DNA comparison and amino acid similarities, shows that we related closely to monkeys and pigs, which suggests that we have close ancestors to these animals.
Physiological similarities suggest the species evolved from the same ancestor.
hard core
The theory predicts that evolution will happen and in certain ways. The observed evolution makes this prediction correct. It also defines evolution as happening, and as such is perfect evidence in support of it.
Molecular genetics