1.2: Darwin’s Life

What influenced Darwin’s views on species and design as a student?

His reading of natural theology and interest in natural history.

Darwin’s early views on species and design were influenced by his reading of natural theology, especially William Paley, and his growing interest in natural history.

What did Darwin’s observations during the Beagle voyage suggest about humans and other animals?

Humans and other animals share many traits, especially the apes.

Explanation: Darwin’s observations indicated that humans shared many traits with others animals, especially apes, supporting the idea of a biological connection and species transmutation.

What is the main idea behind natural selection?

It is a process where species change because individuals with beneficial traits are more likely to survive and reproduce.

Explanation: Natural selection occurs because populations produce more offspring than can survive, leading to the survival of individuals with advantageous traits over generations.

Chronological order, first to last.

1. Darwin’s birth

2. The voyage of the beagle

3. Darwin discovers natural selection

4. Wallace discovers natural selection

5. The publication of On the Origin of Species

What is uniformitarianism?

The idea that the same geological processes operating today have also operated throughout Earth’s history.

Explanation: Uniformitarianism is the principle that the same geological processes we observe today—such as erosion, sedimentation, and volcanic activity—have been operating throughout Earth’s history. This implies that Earth’s landscapes formed gradually over long periods of time. This idea contrasts with catastrophism, which argued that Earth’s history was shaped mainly by sudden, large-scale disasters.

The Watchmaker

William Paley

Uniformitarianism

Charles Lyell

Natural Selection

Alfre Wallace (after Darwin)

The Principle of Population

Thomas Malthus

Which of these is not a reason why Darwin delayed publishing his theory of natural selection?

He was unable to find a publisher willing to print his book.