What is evolutionary biology?

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(A) Evolution is the sequence of gradual changes from simple life forms to complex life forms,i.e.,from primitive organisms that lived over millions o

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The study of the history of life forms on Earth.

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(A) Evolution is the sequence of gradual changes from simple life forms to complex life forms,i.e.,from primitive organisms that lived over millions of years ago to new organisms that exist today.Human beings are the most recent and most highly evolved among these organisms. To understand these changes,we must know how the origin of life,i.e.,the evolution of the Earth,stars,and in fact the whole universe,took place.The study of these processes and the history of life forms on Earth is known as evolutionary biology.

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