# Invasive Species of Plants and Animals

IELTS Academic Listening - 10 questions - 11 minutes - Note completion

Source: Recording, questions and answer key from Cambridge IELTS 21, Test 3, Listening Part 4. © Cambridge University Press & Assessment. Used for educational practice. Explanations and evidence notes are written by Testmigo.

## The recording

9 minutes of audio. Practice it with the player on the page; the transcript is on the answers page.

## Questions

### Questions 31-40: Note completion

Complete the notes below. Write ONE WORD ONLY for each answer.

Invasive species
Definition: an animal or plant that causes harm to an environment after being introduced by humans
An invasive species can be a problem when it:
eats native species.
introduces a new **(31)** _____.
takes food from native species.
threatens an entire **(32)** _____.
How invasive species spread
accidentally e.g. via people returning from their **(33)** _____ or on cargo ships
intentionally e.g. for pest control, or as **(34)** _____
Examples of invasive species
Rhinella marina (toads)
were introduced to Australia from Hawaii in 1935 to eat a type of insect that was damaging the **(35)** _____ plantations.
failed to solve the problem and became widespread in the north of Australia.
are poisonous for any species that eats them and reduce the food available for native frogs.
Japanese knotweed plants were popular among 19th-century gardeners in the UK.
Rhododendron plants prevent **(36)** _____ from reaching native plants.
Grey squirrels from N. America reduce sources of food for the UK's native red squirrels and spread a **(37)** _____ that kills red squirrels.
Tackling invasive species
Monitoring helps us to understand the **(38)** _____ of invasive species and the impact they have.
Setting up a national **(39)** _____ makes it easier to track them.
Asking the public to **(40)** _____ and report them helps with monitoring.

[Practice online with a timer and instant marking](https://testmigo.com/ielts/listening/invasive-species-of-plants-and-animals) - [Answers and explanations](https://testmigo.com/ielts/listening/invasive-species-of-plants-and-animals/answers)