Which describes the major thesis contained in Darwin's book, On the Origin of Species by Means of Natural Selection? The origin of most species of plants and animals can be traced back to the Galápagos Islands. Changes to plant and animal species occur because of God's desire to improve on His creations. Plants and animals have gradually changed over time as a result of limited food supplies. All plants and animals have gradually evolved over time through a process called natural selection.

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Mercedes Skinner

28 March, 03:02

Which describes the major thesis contained in Darwin's book, On the Origin of Species by Means of Natural Selection? The origin of most species of plants and animals can be traced back to the Galápagos Islands. Changes to plant and animal species occur because of God's desire to improve on His creations. Plants and animals have gradually changed over time as a result of limited food supplies. All plants and animals have gradually evolved over time through a process called natural selection.

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Ruth Richards · Answer 1

The correct answer is All plants and animals have gradually evolved over time through a process called natural selection.

Charles Darwin (1809-1882), an English naturalist, developed an evolutionary theory that underlies modern synthetic theory: the theory of natural selection.

According to Darwin, organisms that are better adapted to the environment have greater chances of survival than those less adapted, leaving a greater number of descendants. The best adapted organisms are therefore selected for that environment.