Invasive Species

Question 1

Which invasive species in Canada is known for its destructive impact on ash trees?
a) silver ash beetle
b) asian long-horned bettle
c) spongy moth
d) ermerlad ash borer

Answer 1

d) emerald ash borer

Question 2

Which of the following is NOT an invasive species in Canada?
a) dog strangling vine
b) zebra mussel
c) red-headed woodpecker
d) gypsy moth

Answer 2

c) red-headed woodpecker

Question 3

In general, why are invasive species successful in new environment?
a) they do not compete with native species for resources
b) they can mate with other species
c) they can adapt and reproduce quickly
d) they are usually found at the top of the food chain

Answer 3

c) they can adapt and reproduce quickly

Question 4

What is an example of an invasive fish species in Canada?
a) round goby
b) salmon
c) lake sturgeon
d) rainbow trout

Answer 4

a) round goby

Question 5

The sea lamprey is a primitive, parasitic fish that is invasive to Canada’s freshwater rivers and lakes. How did they get there?
a) they stowed onto cargo ships entering through canals
b) they were released through illegal trade in fish markets
c) they escaped from fish farms
d) they were introduced originally in lakes as pest control

Answer 5

a) they stowed onto cargo ships, entering through canals

Question 6

Which animal (considered one of the most invasive species around the world) can be blamed for at least 63 modern day extinctions, include bird species, small mammals and reptiles
a) domestic dog
b) racoon
c) Mosquito
d) domestic cat

Answer 6

d) domestic cat

Question 7

Which type of ecosystem is affected by purple loosestrife?
a) forest
b) tundra
c) wetland
d) mountain

Answer 7

c) wetland

Question 8

Which helpful garden critter is actually a non-invasive species to North America and is considered invasive due to tits role in the widespread decline of insect populations?
a) Earthworm
b) Bumblebee
c) Japanese beetle
d) Black carpenter ant

Answer 8

a) Earthworm

Question 9

Which invasive plant, native to Asia, has been found in the Atlantic provinces, Quebec, Ontario and British Columbia, and produces a sap that is toxic to human skin?
a) phragmites
b) garlic mustard
c) giant hogweed
d) buckthorn

Answer 9

c) giant hogweed

Question 10

What is the term of the process of removing invasive species from an area to restore native habitats?
a) extinction
b) evacuation
c) expulsion
d) eradication

Answer 10

d) eridcation