Invasive Species' Threat to Biodiversity

An invasive species is

• A species that is harmful because of where it is located.

• A species that does not cause harmwherever it is located.

Invasive species, like the kudzu vine, are always problematic regardless of where they are in the world.  

• False

• True

True or false: Invasive species cause a reduction in native species in areas where they do not belong. When invasive species are in their natural habitat they are controlled by disease and natural predators, so they are not an issue.

• False

• True 

Which of the following DOES NOT cause invasive species to overpopulate an area?

• perfect climate to reproduce

• no natural predators 

• lack of food 

what are limiting factors? 

• things that limit an organisms population

• Things that increase an organisms population

The amount of available plants impacts which group first?

• herbivores 

• carnivores 

• neither 

One invasive species is enough to cause a major change in a balanced ecosystem.

• True

• False

How are a majority of the invasive species brought into a new area?

• natural disaster

• humans

• climate change