What is an invasive species?
2 Invasive Species and Biodiversity

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Science
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5th - 7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An invasive species is a non-native organism that, when introduced to a new environment, can cause harm to the ecosystem, economy, or human health.
2.
FLASHCARD QUESTION
Front
How do invasive species affect biodiversity?
Back
Invasive species can reduce biodiversity by outcompeting native species for resources, leading to declines or extinctions of native populations.
3.
FLASHCARD QUESTION
Front
What is one key characteristic of most invasive species?
Back
Most invasive species produce many offspring, allowing them to spread quickly in new environments.
4.
FLASHCARD QUESTION
Front
What happens to native species when invasive species increase in number?
Back
Native species often face decreased food availability and competition for resources, which can lead to population declines.
5.
FLASHCARD QUESTION
Front
Why do non-native plants threaten native plants?
Back
Non-native plants compete with native plants for resources such as sunlight, water, and nutrients, often leading to the decline of native species.
6.
FLASHCARD QUESTION
Front
What is the impact of a blue catfish on smaller fish populations?
Back
If a blue catfish eats large fish that prey on smaller fish, the population of smaller fish will likely increase due to reduced predation.
7.
FLASHCARD QUESTION
Front
What is one way invasive species can alter ecosystems?
Back
Invasive species can change the food web dynamics by introducing new predators or competitors, disrupting the balance of the ecosystem.
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