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How old is old? February 17, 2010

Posted by Dr. O in Biology, Evolution, Genetics.
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A short pictorial of the age of the earth both geologically and biotic-ly!

Age of the Earth: 4.5-4.6 billion years old

More info on this here.

Geological time frames

Age of bacteria, protists, & plants

Visit and ancient plant garden here.

Age of animal life: Ancient to Modern

More about the Cambrian Explosion of animals.

Age of Animals

And have a look at your ancient cousins!  What traits do you share with them?

Here we show biochemical evidence of evolutionary ancestral traits shared in the amino acid sequence of hemoglobin.

Evolution of hemoglobin

Link to hemoglobin information.

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