Since the appearance of Cro-Magnons, human evolution has been:
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The Kaskaskia Sequence is characterized by black shale depos…
The Kaskaskia Sequence is characterized by black shale deposits and the development of barrier reefs.
Which of the following is a trace fossil?
Which of the following is a trace fossil?
Continental crust began forming during the Hadean.
Continental crust began forming during the Hadean.
What is punctuated equilibrium?
What is punctuated equilibrium?
Using pea plants, ___________ demonstrated how genetic varia…
Using pea plants, ___________ demonstrated how genetic variation is maintained and passed on.
What is abiogenesis?
What is abiogenesis?
______________ states that organisms have changed throughout…
______________ states that organisms have changed throughout Earth’s history.
The Precambrian makes up the largest proportion of geologic…
The Precambrian makes up the largest proportion of geologic time.
The last of the three Cordilleran Orogenies began in the Cre…
The last of the three Cordilleran Orogenies began in the Cretaceous and extended into the Cenozoic. This orogenic event was the: