Invasive Species

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Biodiversity refers to

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the variety of species on Earth

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When taken to a new habitat, non-native plants often threaten native plants of the new habitat. Why do they do this? Options: Non-native plants are able to mutate rapidly, Non-native plants cause native animals to relocate, Non-native plants are able to be used for medicine, Non-native plants compete with native plants for resources

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Non-native plants compete with native plants for resources

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Kudzu has overgrown many parts of southern Missouri and native ground plants have disappeared from the area. This is an example of:

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Competition occurring between the native and invasive species

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The field mouse population in Australia has grown so fast that they eat an average of  $4 billion of wheat every year. Their fast growth is caused by:

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A lack of a native species to eat the field mouse and abundant food supply.

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How did the zebra mussels end up in the Great Lakes? Options: In ballast tanks of ships, They were intentionally released, They have always been in the Great Lakes, That's not a zebra mussel

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In ballast tanks of ships

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These were released in Australia to eat cane beetles, but now they are an invasive species and number in the millions.

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Cane toad

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What makes a species invasive? Options: Moving to a new ecosystem and taking resources from natives, Not having papers, Species that can't adapt, Plants that take up too much space

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Moving to a new ecosystem and taking resources from natives

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What kind of organisms can become invasive? Options: Lions, Tigers, Bears; Plants, Animals, or Pathogens (Disease causers, like viruses, bacteria or fungi.); Animals; Plants

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Plants, Animals, or Pathogens (Disease causers, like viruses, bacteria or fungi.)

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If a blue catfish is introduced and eats the large fish who eat the smaller fish, what will happen to the population of the smaller fish?

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Increase

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Which of the following is a key characteristic of most invasive species? Ability to breathe in the air & in the water, Large, sharp teeth, Produce many offspring, Is a top predator

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Produce many offspring