WorksheetsInvasive Species
Total questions: 12
Worksheet time: 7mins
TRUE or FALSE? Invasive species can be introduced to an ecosystem accidentally/
True
False
TRUE or FALSE? Invasive species can be introduced to an ecosystem intentionally (on purpose).
True
False
What is an invasive species?
A native (naturally found) species which are added to an area
An organism that is new to an environment and has a negative effect on that environment.
A keystone species in an environment
none of the above
Which of the following is an example of an invasive species?
Trout
Kudzu
Mosquito
Daisy
Why do populations of invasive species grow so quickly?
They are prey to many animals.
They are native to the area.
They help keep the ecosystems in balance.
They have no predators.
How do MOST invasive species get to new areas where they don't naturally belong?
humans take them accidentally or on purpose
they ride on the back of sea turtles from one country to another
they get blown by the wind to a new location
they buy a bus ticket and travel there themselves
How do zebra mussels cause harm?
they eat up all the fish in the lake
they don't cause harm
they can clog up pipes and mess up the outside of ships
they poison the fish
If a new, NON-NATIVE species that eats rabbits was introduced into this food chain, what would probably happen?
the population of rabbits would increase
the population of eagles would decrease
the population of eagles would increase
there would be less sunlight
Which statement about invasive species is true?
they can help the food web get better
lots of animals eat them
they get killed off quickly
they reproduce quickly
What is something that is common to most invasive species?
they don't live long
they can't have babies in the new area
they can't eat anything in the new area
they don't have many predators in their new area
Invasive species have a negative impact on...
the ecosystem
the economy (money)
Both the ecosystem and the economy
None of these
