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 8
Describe how invasive species can affect food webs.
Describe how invasive species can affect human health.
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 public education in preventing the spread of invasive species.
Explain how climate change might influence the spread of invasive species.
Explain one reason why invasive species are often successful in new environments.
A lake has recently seen a rapid decline in native fish populations after the introduction of a new fish species. What is a likely explanation for this change? (1) The new fish is an invasive species, (2) The water became cleaner, (3) The native fish migrated, (4) The lake became deeper
A lake has recently seen a rapid decline in native fish populations after the introduction of a new fish species. What is a likely explanation for this change? (1) The new fish is an invasive species, (2) The water became cleaner, (3) The native fish migrated, (4) The lake became deeper
Which of the following best describes the impact of invasive species on native biodiversity? (1) They increase native biodiversity, (2) They have no effect, (3) They often decrease native biodiversity, (4) They only affect non-living things
Which of the following is a challenge in managing invasive species? (1) High cost, (2) Lack of public awareness, (3) Difficulty in detection, (4) All of the above
Which of the following is a method to prevent the spread of invasive species? (1) Cleaning boats before moving to new water bodies, (2) Releasing pets into the wild, (3) Planting non-native plants, (4) Ignoring quarantine rules
Fill in the blank: Invasive species are usually introduced to new environments by ________ activities.
Fill in the blank: Invasive species can be spread by ________ such as ships, planes, and vehicles.
Fill in the blank: Invasive species can cause ________ losses by damaging crops, forests, and fisheries.
Fill in the blank: Invasive species can change the ________ structure of an ecosystem by dominating certain habitats.
True or False: All non-native species are considered invasive.
True or False: Invasive species always have a negative impact on the environment.
True or False: Invasive species can affect the availability of water in an ecosystem.
True or False: Invasive species can alter the physical environment, such as changing soil composition or water flow.
