Invasive Species
Biology ⇒ Ecology and Environment
Invasive Species starts at 7 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Invasive Species.
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See sample questions for grade 9
A lake has recently seen a rapid increase in a non-native fish species, which is now outcompeting native fish for food. What is the likely impact on the native fish population?
Describe how invasive species can affect water quality.
Describe how invasive species can alter the physical environment.
Describe one method used to control invasive species.
Describe one way invasive species can be accidentally introduced to a new area.
Describe the role of government regulations in preventing the spread of invasive species.
A lake has recently seen a rapid increase in a non-native fish species, which is now outcompeting native fish for food. What is the likely impact on the native fish population?
A shipping company accidentally releases ballast water containing non-native aquatic organisms into a new harbor. What is a possible consequence? (1) No effect, (2) Introduction of invasive species, (3) Improved water quality, (4) Decreased biodiversity
A shipping company accidentally releases ballast water containing non-native aquatic organisms into a new harbor. What is a possible consequence? (1) No effect, (2) Introduction of invasive species, (3) Improved water quality, (4) Decreased biodiversity
Which of the following is a common way invasive species are introduced to new environments? (1) Natural migration, (2) Human activities, (3) Evolution, (4) Climate change
Which of the following is a direct effect of invasive species on native wildlife? (1) Increased food supply, (2) Competition for resources, (3) Improved habitat, (4) Decreased predation
Which of the following is a long-term solution for managing invasive species? (1) Continuous chemical spraying, (2) Public education and prevention, (3) Ignoring the problem, (4) Allowing natural selection to act
Fill in the blank: Invasive species can alter the ________ structure of an ecosystem, affecting which species are present and their abundance.
Fill in the blank: Invasive species can cause ________ losses by damaging crops, fisheries, and forests.
Fill in the blank: Invasive species can disrupt ________ chains in an ecosystem.
Fill in the blank: Invasive species can introduce new ________ to native populations, sometimes causing disease outbreaks.
True or False: All non-native species are invasive.
True or False: Invasive species always have a positive impact on the environment.
True or False: Invasive species can cause the extinction of native species.
True or False: Invasive species can only survive in tropical climates.
