Invasive Species

How do invasive species impact ecosystems?

• The increase density dependent limiting factors

• They establish themselves as new keystone species in an area

• The open up new niches in the ecosystem

• They outcompete native species and overpopulate the area

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.

How do invasive plants damage the environment?

• Compete with native species
• Change plant community
• Alter diversity
• All of these

What makes a species "invasive"?

• species that cannot adapt

• making another species leave so that it can move in

• moving to a new ecosystem where it does not naturally belong and taking resources from natives

• taking up too much space

How does the European house sparrow negatively impact native bird populations?

• By killing native adult and juvenile birds or smashing their eggs

• By stealing food from native birds

• By destroying native bird habitats

• By spreading diseases to native birds

Where is the Spotted Lanternfly (Lycorma delicatula) native to?

• United States

• China

• Europe

• Australia

When was the Spotted Lanternfly first detected in Pennsylvania?

• September 2012

• September 2014

• September 2016

• September 2018

Which industries could be seriously impacted by the spread of the Spotted Lanternfly in the United States?

• Fishing and mining industries

• Textile and automotive industries

• Grape, orchard, and logging industries

• Technology and pharmaceutical industries

What is another name for feral swine?

• Wild hogs

• Domestic pigs

• Forest boars

• Mountain pigs

What is the potential impact of feral swine on Pennsylvania's forests and agricultural activity over the next decade?

• They will have no impact.

• They will significantly improve forest lands.

• They will significantly impact forest lands and agricultural activity.

• They will only affect urban areas.