Grade 6 · Science · Unit 3 of 11
Protecting Biodiversity
Invasive species and climate change
What your child practises
How invasive species, habitat loss and climate change reduce biodiversity, why farmers rely on crop diversity, and what people can do to protect it.
Ontario Curriculum expectation: B1.1, B1.2, B2.6–B2.8 · invasive species, climate change, agriculture and Indigenous crop diversity, and protecting biodiversity
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
What is an invasive species?
- Any species that is rare
- A species that is native and helpful
- A non-native species that spreads and harms its new environment
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A non-native species that spreads and harms its new environment
Hint: Invasive species do not belong in the area and spread quickly.
Question 2
A species at risk is one that…
- may disappear if nothing is done to help it
- is always an insect
- has too many members
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may disappear if nothing is done to help it
Hint: Laws like SARA aim to protect these species.
Question 3
Which action can slow the spread of invasive species?
- Cleaning boats and boots before moving to a new place
- Releasing pets in the wild
- Moving firewood across the country
Show answer
Cleaning boats and boots before moving to a new place
Hint: Seeds and small organisms hitch rides.
Question 4
Why can invasive species spread so quickly?
- They are always larger
- They often have no natural predators in the new area
- They need no food
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They often have no natural predators in the new area
Hint: Nothing in the new place keeps their numbers down.
Question 5
Zebra mussels arrived in the Great Lakes in ships' ballast water. They are an example of…
- an invasive species
- a keystone species
- an endangered native species
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an invasive species
Hint: They came from outside and spread widely.
Question 6
Which law helps protect plants and animals at risk of disappearing in Canada?
- The Species at Risk Act
- The Criminal Code
- The Highway Traffic Act
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The Species at Risk Act
Hint: SARA was passed in 2002.