mass extinction -since beginning many species
Mass Extinction -
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evidences of evolution -the evidences of organic evolution derived from many lines of study indicate that present day forms have arisen by gradual
fossilisation -the organisms are preserved and fossilized when they are buried in the ice in an oil rich soil in the lava of volcano in swamps in
types of fossils -snofossilexamplemode of formation1unalteredpreservationwooly mammoths 25000 yearsold ice in siberia mummies insectwhole bodies
palynofossils microfossils -fossils of planktons diatoms unicellular algae diatoms and shelled protozoans heliozoans radiolarian and foraminifera
mass extinction -since beginning many species evolved and got extinct in fact only 1 is livingsometimes it occured suddenly at large scale most
determination of the age of fossil -radioactive clock boltwood-1907 - half life of uranium is 45 billion yearsthis means half of total uranium
living fossils -1limulus king
for the pizza seller whose marginal average variable and average total cost curves are shown in the following diagram what is the profit-maximizing
how do you draw the demand curve q 100 - 50p and indicate which portion of the curve is elastic which is enelastic and which is unit
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