The Three Domains of Life


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question 1 of 3

Which one of the following is the most general category of living things?

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1. What are the three domains we find in biology?

2. Which domain holds the oldest known living things?

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About This Quiz & Worksheet

The following quiz and worksheet combination will test your understanding of the three domains of life. You will be tested on what the three domains are and why they are unique.

Quiz & Worksheet Goals

During the assessments, you will be tested on:

  • What the three domains of biology are
  • The organisms that can be found within each domain
  • The definition of methanogen

Skills Practiced

  • Information recall - access the knowledge you've gained regarding the three domains of life
  • Reading comprehension - ensure that you draw the most relevant information regarding DNA as a genetic blueprint
  • Distinguishing differences- compare and contrast the three domains based on the characteristics of the living things classified under them

Additional Learning

To learn more about this subject, look at the following lesson on the The Three Domains of Life. This lesson covers the following objectives:

  • Explain what the three domains are
  • Understand prokaryotic bacteria
  • Know the function of DNA
  • Understand the process of biological taxonomy