Biological Mechanisms and Characteristics in Living Organisms

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Questions and Answers

Which level of organization is characterized by the aggregation of cells organized into a definite pattern?

  • Protoplasmic level
  • Organ level
  • Tissue level (correct)
  • Cellular level

Which body system is responsible for the protection of internal body organs and absorption of substances from the environment?

  • Digestive system
  • Respiratory system
  • Integumentary system (correct)
  • Circulatory system

In terms of functionality, which level of organization is normally found in unicellular organisms and is not present in animal life?

  • Organ level
  • Tissue level
  • Cellular level
  • Protoplasmic level (correct)

Which level of organization involves organs that work together to form organ systems?

<p>Organ system level (A)</p> Signup and view all the answers

Which body system is NOT mentioned as being part of the most complex and advanced animals' body systems?

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

What is the basic unit of life according to the text?

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

Which level of organization is described as a group of similar cells specialized to perform a common function?

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

What is the association of organs that together performs an overall function called?

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

Which level of organization consists of individuals capable of interbreeding?

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

In living organisms, what is a group of similar cells specialized to perform common functions called?

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

Which level of organization is described as the association of organs made up of more than one type of tissue?

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

Which group of organisms can be classified as autotrophic based on the text?

<p>Some bacteria and plants (A)</p> Signup and view all the answers

Which type of organisms are primarily responsible for the production of almost 90% of the oxygen we breathe?

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

What is a defining characteristic of prokaryotic cells?

<p>Possession of a nucleus (D)</p> Signup and view all the answers

Which group of organisms cannot be treated with antibiotics according to the text?

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

What is a common characteristic of simple animals and indigenous microflora according to the text?

<p>Producing their own food (A)</p> Signup and view all the answers

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