WorksheetsReading Comp. quiz: "Invasive Species"
Total questions: 10
Worksheet time: 9mins
What is an invasive species?
Any plant or animal that comes from another country
A plant or animal that is native to a place (it is originally from there)
A plant or animal that is non-native and causes harm to the environment and to native species and humans
Are all species that come from other countries considered invasive?
Yes
No
"Due to a lack of natural predators, invasive populations grow quickly and outcompete native species for resources, disrupting food webs and even endangering some species."
Based on the context of the sentence, what does the word "endangering" mean?
to cause an increase
to present a threat or danger
to give shelter
to protect
Which of these species that comes from another country is NOT invasive, but beneficial?
honeybee
Eurasian boar
goldfish
wild parsnip
According to the article, how did hydrilla, an invasive aquatic plant, probably spread ?
It clings to ships and spread through water that way.
It is used in aquariums and probably was dumped from aquariums into lakes and rivers when some pet owners get rid of their pets.
It was given from one country to another as a decorative plant.
Keystone species play a unique and extremely important role in an ecosystem.
Based on the context of the sentence, what does the word "keystone" mean?
the central part that others depend on
an extra
a dangerous thing
Why happens if a keystone species becomes endangered or extinct? (can be more than one right answer)
It can drastically change the ecosystem.
There is no real effect.
Other species that depend on it can suffer.
What should someone do if they have an exotic pet and can no longer take care of it?
Release it into the wild
Dump it by a lake or river
Donate it to a zoo, aquarium, school, or nature center
Give it to a neighbor
How can gardeners help stop invasive species?
Buy the best quality plants
Use the most attractive, beautiful plants
Get only native plants for gardens
Which of the following words is a synonym for non-native? (Can be more than one)
indigenous
exotic
alien
local
