Definition of Life in Biology
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Questions and Answers

Which of the following is an example of a macromolecule?

  • Water
  • Carbon dioxide
  • Glucose
  • DNA (correct)

What is the smallest fundamental unit of structure and function in living organisms?

  • Cells (correct)
  • Organelles
  • Tissues
  • Organs

Which type of cells lack organelles surrounded by a membrane and do not have nuclei?

  • Plant cells
  • Prokaryotic cells (correct)
  • Eukaryotic cells
  • Animal cells

What is the level of organization that consists of functionally related organs?

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

Which of the following statements is true about viruses?

<p>Viruses need to invade living cells to reproduce. (D)</p> Signup and view all the answers

What is the fundamental unit of matter that consists of a nucleus surrounded by electrons?

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

Why do viruses not meet the criteria to be classified as living organisms?

<p>They lack certain characteristics of living entities (C)</p> Signup and view all the answers

In biology, what do biologists seek to understand regarding the diversity of life?

<p>How did this diversity arise and how is it continuing (A)</p> Signup and view all the answers

What is the science that studies life and its various aspects?

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

What is the hierarchy scale that living things follow, from small to large?

<p>Atom-Molecule-Organelle-Cell-Tissue (D)</p> Signup and view all the answers

Which type of cells are classified as single-celled organisms that lack organelles surrounded by a membrane and do not have nuclei?

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

What is the level of organization that consists of tissues grouped together based on a common function?

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

Which of the following is false regarding the structure of living organisms?

<p>Organelles exist within cells which exist within tissues. (C)</p> Signup and view all the answers

In which level of organization do communities exist within populations which exist within ecosystems?

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

Which of the following is true regarding viruses?

<p>Viruses lack organelles and nuclei. (D)</p> Signup and view all the answers

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