Lec%2073_History_of_Life_4_8_09

Lec%2073_History_of_Life_4_8_09 - 1 History of Life on...

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Unformatted text preview: 4/10/09 1 History of Life on Earth Which of the following statements concerning continental drift is accurate? A) When the continents Frst formed they were one land mass and they have been drifting apart since then. B) Many continents formed initially, and since then they have been drifting closer. Eventually they will form one land mass (Pangea). C) The original land mass (Pangea) was split apart by the impact of a giant comet. D) Since the evolution of multicellular eukaryotes, the landmasses of the earth have come together to form a single supercontinent on three occasions. E) Since the formation of the earth, landmasses have come together to form a single supercontinent on one occasion. Which of the following statements concerning continental drift is accurate? A) When the continents Frst formed they were one land mass and they have been drifting apart since then. B) Many continents formed initially, and since then they have been drifting closer. Eventually they will form one land mass (Pangea). C) The original land mass (Pangea) was split apart by the impact of a giant comet. D) Since the evolution of multicellular eukaryotes, the landmasses of the earth have come together to form a single supercontinent on three occasions....
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This note was uploaded on 10/20/2009 for the course BIO G 1102 taught by Professor Walcott during the Spring '08 term at Cornell.

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Lec%2073_History_of_Life_4_8_09 - 1 History of Life on...

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