Impact on Invasive Species

Invasive Species Lesson

​

Multiple Choice

Invasive species can have a major impact on the ecosystem.

• TRUE

• FALSE

Multiple Choice

Which statement about invasive species is true?

• they can help the food web get better

• they reproduce quickly

• lots of animals eat them

• they get killed off quickly

Multiple Choice

Invasive species cost

• Hundreds of billions of dollars each year

• hundreds of dollars each year

• thousands of dollars each year

• hundreds of millions each year

Multiple Choice

The primary cause of invasive species introduction is

• too much food

• human actions

• weather events

• asteroids

Multiple Choice

Why do the populations of invasive species grow so quickly? 

• Invasive Species are native to an area. 
• Invasive species are prey to many animals.
• Invasive species have no predators.
• Invasive species keep the ecosystems in equilibrium.

Multiple Choice

A species that is not native to an area is called: 

• Native Species
• Natural Species
• Invasive Species
• Symbiotic Species

Multiple Choice

Invasive species grow quickly due to the lack of predators, this leads to a decline or extinction of the native population. True or false? 

• false
• true

Multiple Choice

Invasive species alter the ecosystem by a___________in number quickly,this leads to _____ food for the native  species. 

• increasing  less
• decline  decreasing

Multiple Choice

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

Multiple Choice

Biodiversity refers to

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

Multiple Choice

This invasive species came over in boats from Europe in the 1980's.  They harm native fish, clog pipes and ruin beaches.  

• Sea Lamprey
• Zebra Mussel
• Asian Carp
• Feral Swine

Multiple Choice

How can boaters prevent the spread of zebra mussels to other lakes?

• clean and dry boat

• wipe shells off boat

Multiple Choice

Why are zebra mussels harmful?

• they clog pipes

• they hurt your feet

Multiple Choice

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

• Parasitism between kudzu and the native plants

• A predator prey relationship between ground plants and kudzu

• Competition occurring between the native and invasive species

• Commensalism occurring between the kudzo and native plants

Multiple Choice

What are Zebra mussels and red fire ants?

• Examples of producers

• Examples of invasive species

• Examples of top carnivores