BE170A2

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Question: How did our planetary biosystem form, and how common is the formation of biosystems such as our own in the universe? This course describes the formation of our planetary biosystem. Space and matter formed in the first 9 billion years of the universe. The sun, Earth, and moon formed in the first few hundred million years of the solar system. Algae and plants evolved in the billions of years of the Precambrian and helped prepare the climate for animal life. Invertebrates and vertebrates evolved in the sea in the Paleozoic Era. Reptiles and birds dominated the Mesozoic Era. Mammals and finally humans dominated the Cenozoic Era. In the last several thousand years, agriculture and civilization dramatically altered the Earth's biosystem that we experience in the modern world.

GRD - Regular Grades A, B, C, D, E

Undergraduate

GE - T1-NATS (Tier 1 Natural Sciences), GEED - EPNAT (Gen Ed: EP Natural Scientist)

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