4 point 5-4 billion Is how many years ago A ball of molten stuff That we will as "Earth" know Starts its awesome story Taking place of glory The only world where Life Look anywhere, is rife [Break] But first comes a groo-ling Half billion years of cooling Only then do rocks form Is solid surface born [Break] "Hadean" it is termed This eon that confirmed Was quite the hell on Earth A fire and brimstone birth [Break] Archaean is the next And eon where effects Of first life we can see As fossils, easily [Break] Single cell bacteria Plus life we call Archaea Termed Pro-karry-oats Their D-N-A free floats Of Nucleus devoid One chromosome: Happ-loid [Break] It’s just a billion years ago That multi-cell’d Life does show In the late Pro-tero-zoic This evolution wasn’t quick! But worm, jelly, sponge Were as complex as they come [Break] 4 point 5-4 billion Is how many years ago A ball of molten stuff That we will as "Earth" know Starts its awesome story Taking place of glory The only world where Life Look anywhere, is rife [Break] But then diversity Went into full flow Five hundred 40 million Count of years ago [Break] In the Fa-nero-zoic Evolution happens quick! A “Cambrian Explosion” from Increased oxygen [Break] Vertebrates would rise: Animals with skull and spine Then the first plants on land And fish thriving in sea brine [Break] Insect and spider life Amphibians and trees Reptiles and dinosaurs Mammals, birds, and bees [Break] Co-evolved with flowers And lastly the pry-mates Monkeys, apes, hominids Crashing through the gates [Break] Know, mass extinctions: five Most life does not survive But journey soon resumes Tenacious, Life ‘gain blooms [Break] Just in a different form Which then becomes the norm As dinosaurs dying off Let mammals reach the top [Break] We too will one day fade Though hour is best delayed By taking care of Earth To which we owe our birth [Break] How old are modern humans? 3 hundred thousand years, we think Compared to Life's 4 billion We're even less than a blink [Break] And in such we could go As an advanced species Extinction six we’ve started By rapid rise in heat degrees [Break] 4 point 5-4 billion Is how many years ago A ball of molten stuff That we will as "Earth" know Starts its awesome story Taking place of glory The only world where Life Look anywhere, is yet rife
