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Introduction to Biology

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Questions and Answers

What is the primary unit of organization that all organisms are composed of?

Cells (correct)

Organs

Organ Systems

Tissues

What process explains the unity and diversity of life?

Gene expression

Homeostasis

Photosynthesis

Evolution (correct)

What is the purpose of energy processing in organisms?

To regulate internal environments

To classify different forms of life

To transmit genetic information

To allow movement, growth, and reproduction (correct)

What is the characteristic that allows organisms to maintain their internal environments?

Homeostasis (B) Signup and view all the answers

What is the method used by biologists to make observations and form conclusions?

The scientific method (D) Signup and view all the answers

What is the estimated time when life on Earth emerged?

3.7 billion years ago (D) Signup and view all the answers

What is the role of various organisms in an ecosystem?

To contribute to the biodiversity of an ecosystem (C) Signup and view all the answers

In which ancient civilizations did the roots of science, including medicine, originate?

Ancient Egypt and Mesopotamia (C) Signup and view all the answers

Who is credited with the scientific study of plants?

Theophrastus (D) Signup and view all the answers

What was the significant impact of advances in microscopy on biological thinking?

It had a profound impact on biological thinking (B) Signup and view all the answers

Who is credited with promoting the idea that the basic unit of organisms is the cell?

Schleiden and Schwann (A) Signup and view all the answers

Who is credited with presenting a coherent theory of evolution?

Jean-Baptiste Lamarck (D) Signup and view all the answers