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Biology, 27.08.2019 19:30 puchie1225
Apopulation of mollusks has lived in a relatively stable environment and shown no great change in many, many years. they live, die, and get fossilized every few hundred thousand years. judging from the fossilized snails, little observable evolution has occurred. this is an example of
a) stasis.
b) extinction.
c) natural selection.
d) punctuated equilibrium.
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Biology, 22.06.2019 11:30
Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?
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Apopulation of mollusks has lived in a relatively stable environment and shown no great change in ma...
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