Which statement about the Cambrian period is true? The first multicellular life appeared. Large land mammals evolved. Multicellular life was probably limited to aquatic environment. Oxygen concentrations were extremely low. It marks the end of the Paleozoic era.
Which statement about the Cambrian period is true? The first multicellular life appeared. Large land mammals evolved. Multicellular life was probably limited to aquatic environment. Oxygen concentrations were extremely low. It marks the end of the Paleozoic era.
Chapter18: Life's Origin And Early Evolution
Section: Chapter Questions
Problem 2SA: The first interval of Earths existence is called the ________. a. Cambrian c. Proterozoic eon b....
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