16.2

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True or False: Hutton realized that Earth was much YOUNGER than previously believed

FALSE- Hutton realized that Earth was much OLDER than previously believed

What did Lamarck believe?

He believed that all organisms have an inborn urge to become more complex and perfect. He thought that organisms could change the size or shape of their organs by using their bodies in new ways. He also thought that organisms could pass on acquired traits to the next generation.

Artificial Selection

Humans choose the characteristics that we want.

What did Hutton and Lyell conclude about Earth's history?

Hutton and Lyell concluded that Earth is extremely old and that the processes that change Earth in the past are the same processes that operate in the present

How did James Hutton contribute to Darwin's Theory of Evolution?

Hutton argued that Earth is many millions of years old. Knowing that Earth was very old convinced Darwin that there had been enough time for life to evolve.

How is inherited variation used in artificial selection?

In artificial selection, nature provides the variations, and humans select those they find useful.

How did Jean-Bapiste Lamarck contribute to Darwin's Theory of Evolution?

Lamarck was one of the first scientists to recognize that evolution has occurred and that organisms change to live more successfully in their environment. His general ideas about evolution and adaptation influenced Darwin.

How did Charles Lyell contribute to Darwin's Theory of Evolution?

Lyell argued that the process that changed Earth in the past were the same as the processes that are still changing Earth in the present. Knowing that Earth could change over time helped Darwin realize that life might change as well.

What was Malthus's view of population growth?

Malthus reasoned that if the human population grew unchecked, there wouldn't be enough living space and food for everyone.

How did Thomas Malthus contribute to Darwin's Theory of Evolution?

Malthus thought that if the human population continued to grow unchecked, it would run out of living space and food. Darwin realized that this was true of all organisms, not just humans.

Malthus's ideas led Darwin to conclude what?

Organisms are able to evolve through a process known as artificial selection


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