Homologous: Definition, Characteristics & Structure Examples


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The term 'homologous' is from the Greek words

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1. Why are pine needles, cactus spines, poinsettia petals and the traps of Venus fly traps considered to be homologous structures?

2. Which of the following is NOT a characteristic of a pair of homologous chromosomes?

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About This Quiz & Worksheet

This quiz and corresponding worksheet will help you gauge your understanding of the types of similar features biological organisms share. Topics you'll need to know to pass the quiz include understanding the two Greek words originating the term homologous as well as knowing what the modifications of a leaf can tell us about common ancestry.

Quiz & Worksheet Goals

Use these assessment tools to assess your knowledge of:

  • Two Greek words in homologous and their meaning
  • What the modifications of a leaf tell us about common ancestry
  • Characteristics of a pair of chromosomes
  • Finding the correct example of homologous origins in humans
  • Two terms both utilizing the meaning of having the same origin

Skills Practiced

This worksheet and quiz will let you practice the following skills:

  • Defining key concepts - ensure that you can accurately define main phrases, such as homologous organs and homologous chromosomes
  • Reading comprehension - ensure that you draw the most important information from the related homologous structures in biology lesson
  • Information recall - access the knowledge you've gained regarding the structures in biology having a similar design

Additional Learning

To learn more about the similar structures in biology, review the corresponding lesson Homologous: Definition, Characteristics & Structure Examples. This lesson covers the following objectives:

  • Appreciate the etymological origins of homologous
  • Know how homologous structures can be found in modern vertebrates and plants
  • Understand the composition of homologous chromosomes
  • Identify the homologous organs in the human reproductive system