The Evolutionary Relationships of Organisms


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In evolutionary biology, LUCA stands for

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1. Which category contains more organisms?

2. The observable structures of an organism make up its _____.

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About This Quiz & Worksheet

Find out how much you know about the evolutionary timescale and the relationships between organisms by completing this quiz. Questions will assess your knowledge of different terminology related to the evolution of organisms.

Quiz & Worksheet Goals

Questions focus on:

  • The name for scientists who study organism classification
  • Mutations
  • What LUCA stands for in evolutionary biology

Skills Practiced

  • Information recall - access the knowledge you've gained regarding the category that contains more organisms
  • Reading comprehension - ensure that you draw the most important information from the lesson on organisms and evolution
  • Knowledge application - use your knowledge to answer a question regarding the name for the observable structures of an organism

Additional Learning

Learn more about living things by completing the lesson titled, The Evolutionary Relationships of Organisms. The objectives covered include:

  • Review the phylogenetic tree of life
  • Know what a molecular clock is
  • Define organelle