During the Cretaceous-Paleogene extinction approximately of all life forms on Earth became extinct.
The Cenozoic Era mass extinction of many animals gave an opportunity for to fill the ecological positions that had previously been filled by dinosaurs.
Primates and early humans appeared later during the Neogene and Periods.
The Cenozoic Era experienced a series of ice ages, and specifically during the ice ages the glaciers advanced and retreated four times.
The Cascade Mountains were formed in the Cenozoic by the geologic process of along the western edge of North American continent.
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Biology, 21.06.2019 14:30
5) these are organisms where the genetic material is not bound by a nucleus. they are usually unicellular.
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Biology, 22.06.2019 08:00
This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.
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Biology, 22.06.2019 08:30
Construct at least two possible hypotheses for the student’s experiment.
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During the Cretaceous-Paleogene extinction approximately of all life forms on Earth became extinct....
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