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11 Cards in this Set
- Front
- Back
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What were two factors that influenced Darwin to search for answers?
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1. Scientist began challenging established view about the natural world.
2. Fossils were being discovered that proved the earth was very old. |
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________ and _________ were two scientists who recognized that the Earth was very old and the process of change was the same as today.
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Hutton and Lyell
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What was Hutton's theory of the Earth's age?
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Hutton proposed that layers of rock form slowly and process has taken millions of years.
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What did Lyell's "Principles of Geology" state?
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That scientists had to explain past events in terms of processes that they can observe , since processes that shaped the Earth millions of years ago continue in the present.
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How did Darwin's understanding of geology influence him?
1 2 |
1. If the Earth could change, does life change as well?
2. It would take life many, many years to change as well. |
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_____ was among the first scientists to recognize taht living things have changed over time.
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Lamarck
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What were two factors of evolution that Lamarck came up with?
1 2 |
1. All species change over time.
2. Organisms adapt to their environment. |
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What was Lamarck's hypotheses?
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1. the use or disuse of organs could cause organisms to acquir or lose traits.
2. traits could be passed to offspring 3. over time, this led to a change in a species |
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Discuss each point of Lamarck's hypotheses?
1 2 3 |
1. All organisms have the tendency towards perfection. The organism will continue to overcome their environment.
2. Organisms can alter their size and shapes by using their bodies in new ways. 3. Acquired charactertistics can be inherited. |
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____ ______ published a book that stated that babies were being born faster than people were dying.
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Thomas Malthus
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What did Malthus say was working against the growth rate?
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1. war
2. famine 3. disease |
