Introduction to Biology: What is Life?
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Questions and Answers

What is the basic unit of life?

  • Tissues
  • Atoms
  • Cells (correct)
  • Molecules

Which of the following is NOT a theme of Biology?

  • Evolution
  • Interdependence of organisms
  • Reproduction
  • Photosynthesis (correct)

What do we call the process by which organisms maintain stable internal conditions?

  • Homeostasis (correct)
  • Hemostasis
  • Homeopathy
  • Hypertension

How did life arise on Earth more than 3.5 billion years ago?

<p>It remains unknown (D)</p> Signup and view all the answers

What is the genetic information contained in cells called?

<p>DNA (B)</p> Signup and view all the answers

What is the study of life called?

<p>Biology (D)</p> Signup and view all the answers

What was the first form of life on Earth?

<p>Single-celled organisms (B)</p> Signup and view all the answers

In which organelle does photosynthesis occur in plant cells?

<p>Chloroplasts (C)</p> Signup and view all the answers

Which statement about cells is true?

<p>Cells undergo differentiation and are highly organized. (A)</p> Signup and view all the answers

What do we call the process by which organisms maintain very stable internal conditions?

<p>Homeostasis (A)</p> Signup and view all the answers

What is the term for the process by which some organisms capture the energy from the sun and transform it?

<p>Photosynthesis (D)</p> Signup and view all the answers

Which term refers to the transmission of hereditary information to offspring?

<p>Reproduction (A)</p> Signup and view all the answers

What is the driving force in evolution, causing a gradual change in populations over many generations?

<p>Natural selection (C)</p> Signup and view all the answers

Which process results in the combining of hereditary information from two different organisms of the same species?

<p>Sexual reproduction (D)</p> Signup and view all the answers

What is the term for the genetic information from a single parent being passed on to resulting cells with identical hereditary information?

<p>Inheritance (A)</p> Signup and view all the answers

Which process explains why organisms look and behave the way they do and provides a basis for exploring relationships among different groups of organisms?

<p>Evolution (C)</p> Signup and view all the answers

What is the term for the interaction of organisms with one another and with their environment?

<p>Ecology (D)</p> Signup and view all the answers

What is the term for the survival of organisms with favorable traits causing gradual changes in populations over generations?

<p>Natural selection (B)</p> Signup and view all the answers

Which term represents the genetic information in all cells that contains instructions for traits?

<p>DNA (A)</p> Signup and view all the answers

Which process involves hereditary information from one, usually unicellular, organism that divides into cells with identical hereditary information?

<p>Asexual reproduction (A)</p> Signup and view all the answers

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