A sedimentary layer in which grain size decreases from the bottom up is ____.
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Australia is the only modern continent without any glaciers.
Australia is the only modern continent without any glaciers.
Archaeopteryx was a bird-like creature with reptile characte…
Archaeopteryx was a bird-like creature with reptile characteristics. This showed recent evolutionary traits as well as features from the ancestral group. This evolution mechanism is called:
The principle of fossil succession is based on the fact that…
The principle of fossil succession is based on the fact that fossils ____.
Radioactive decay that occurs when two protons and two neutr…
Radioactive decay that occurs when two protons and two neutrons are emitted from the parent nucleus:
New World Monkeys belong to the primary order of Prosimians.
New World Monkeys belong to the primary order of Prosimians.
The fossil record contained in Cenozoic rocks is more comple…
The fossil record contained in Cenozoic rocks is more complete because ____.
What theory proposes that the same processes seen today have…
What theory proposes that the same processes seen today have operated throughout geologic time (i.e. the present is the key to the past)?
Harry Hess originally proposed the idea of continental drift…
Harry Hess originally proposed the idea of continental drift.
During which type of evolution do distantly related species…
During which type of evolution do distantly related species develop similar characteristics?