Invasive Species

1a. What is meant by the term "invasive species"?

1b. Name 3 results of having mussels in the United States.

1c. Other than animals, what other organisms can be invasive?

1d. How can we stay mindful of our role in preventing the spread of invasive species?

2a. Name three reasons why it is easy for the lionfish to invade the sea?

2b. How can we control the lionfish population?

• Option 1

3a how can scientists use meat ants to control the population of toads in Australia?

3b. Using Macquarie island as an example, briefly explain why it is difficult to control invasive species.

3c. List a food chain using Macquarie island after the introduction of dogs.