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15-2 Vocab Cards
Question | Answer |
---|---|
Pre-Darwin, what did scientists think about the age and changes of the Earth | they believed that the Earth never changed, that it always stayed the same. |
What did Hutton contribute to understanding about how rocks form and the age of the earth? | Hutton suggested that there was a force that moved up rocks beneath Earth's surface and he believed that the Earth was only a few thousands years old |
What did Lyell contribute to understanding of how Earth changed in the past? | He contributed to the theory that Earth had changed slowly over time |
What did Lyell propose that describes how organisms change? | Lyell proposed that erosion carves canyons now meaning that it had to have happened in the past too |
What did Malthus predict if Earth's population continued to grow? | If the Earth continued to grow in population size, one day there might not be enough food and resources for everyone |