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Evolutionary Change: Definition and Forms

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Which of the following theories best explains the mass extinction of the dinosaurs?

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1. The idea that the earth is constantly changing and, therefore, life on earth is continually evolving is:

2. Scientists have found fossils that show a sudden appearance of a new organism after decades of no change. Which form of evolutionary change best explains this?

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About This Quiz & Worksheet

Use this quiz/worksheet combo to help you test your understanding of forms of evolutionary change and the vocabulary surrounding the concept. Vocabulary these practice assessments test you on includes catastrophism, gradualism, and punctuated equilibrium.

Quiz & Worksheet Goals

This assessment will ask you to describe:

  • Catastrophism
  • Gradualism
  • Punctuated equilibrium
  • Adaptive radiation
  • Evolution

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the related lesson on forms of evolutionary change
  • Defining key concepts - ensure that you can accurately define main terms, such as catastrophism and gradualism
  • Distinguishing differences - compare and contrast topics from the lesson, such as punctuated equilibrium and adaptive radiation

Additional Learning

With the lesson entitled Evolutionary Change: Definition and Forms, you can explore more information about this biology concept. Objectives this lesson will meet include:

  • Define the term 'evolution'
  • Compare and contrast the two evolutionary theories of catastrophism and gradualism
  • Explain punctuated equilibrium
  • Differentiate between adaptive radiation and descent with modification
  • Understand how evolution is affected by catastrophism and gradualism
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