How Introduced and Invasive Species Alter Ecological Balance


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If an introduced species survives in its new environment and starts breeding, what are the likely consequences?

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1. Which of the following is a true statement about introduced species?

2. What is an invasive species?

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About This Quiz & Worksheet

Introducing a species into a new habitat can have detrimental effects on the vegetation and animals native to that area. Test your understanding of invasive species with this interactive quiz. You will also be assessed on ecological balance.

Quiz & Worksheet Goals

In this assessment you'll be asked to:

  • Name the consequences of introducing a species to a new environment
  • Identify facts about introduced species
  • Describe what an invasive species is
  • Name the process that provides balance in a species' natural habitat, but ceases to exist once a species is introduced to a new habitat
  • Define ecological balance

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the related lesson on introduced and invasive species
  • Knowledge application - use your knowledge to answer a question about ecological balance
  • Critical thinking - discuss how introduced species can become invasive in a habitat

Additional Learning

Bringing species into a new environment can affect both the species and the environment it newly inhabits. Learn about this and other concepts related to introduced species in the lesson How Introduced and Invasive Species Alter Ecological Balance. The lesson will:

  • Define native, introduced, and invasive species
  • Give examples of invasive species and the consequences on that particular non-native habitat
  • Detail the importance of ecological balance
  • Explain coevolution