Invasive Species

Biodiversity refers to

• extinct species
• the variety of species on Earth
• nonrenewable resources
• the rate of species decline

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NGSS.MS-LS2-5

What is an invasive species?

• A native (naturally found) species which are added to an area. 
• A non-native (not naturally found) species added to an area. 
• A keystone species in an environment
• none of the above

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NGSS.MS-LS2-4

NGSS.MS-LS2-5

When taken to a new habitat, non-native plants often threaten native plants of the new habitat.  Why do they do this?

• 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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NGSS.MS-LS2-1

NGSS.MS-LS2-4

What effect will an invasive species have on the carrying capacity of an ecosystem?

• The carrying capacity will increase
• The carrying capacity for everyone will decrease
• The carrying capacity will only decrease for those in competition for same resource
• The carrying capacity for all animals will stay the same

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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

• dingo
• Kangaroo
• Cane toad
• Rabbits

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What makes a species invasive?

• 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

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What kind of organisms can become invasive? 

• Lions, Tigers, Bears
• Plants, Animals, or Pathogens 
• Animals
• Plants

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NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

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

The lack of natural predators makes populations of invasive species unmanageable?

• True
• False

Tags

NGSS.MS-LS2-4

Species that are indigenous to an area with no human intervention

• invasive species
• native species
• all species that live in an ecosystem