Invasive Species Quiz

What benefit did the invasive species called Japanese white eye bring to the ie ie vine?

• It provided food.

• It helped in ecosystem restoration.

• It helped in pollination.

• It provided habitat.

How have humans introduced invasive species to an ecosystem? Select all that apply.

• Purposely, to solve a problem

• Humans never introduce invasive species to ecosystems

• Accidentally, when a non-native species escapes

• Accidentally, during shipping of goods and materials

What is the main cause for species invading?

• Air Pollution

• Wanting to be adventurous

• Human Means

• Themselves

Why do populations of invasive species grow so quickly?

• Invasive species have many different natural predators

• Invasive species have no natural predators

• Invasive species are harmful to the ecosystem

• Invasive species populations don't grow quickly

Eradication of non-native species is a difficult task. Prevention is easier. Why?

• There are no natural diseases or predators for invaders so they grow exponentially.

• The species have a higher reproductive rate than native species.

• The species can successfully out-compete native species.

This category of species is very specific to one area:

• invasive

• indigenous

• endemic

• generalist

Fire ants were introduced into the US by

• Groundskeepers to the Governor's mansion in Alabama

• Stowing away on a cargo ship sailing from India

• Stuck in a pant leg of a tourist coming in from South America

• A ship that used soil from South America as ballast

How did the zebra mussels end up in the Great Lakes?

• In ballast tanks of ships

• They were intentionally released

• They have always been in the Great Lakes

• That's not a zebra mussel

Kudzu has overgrown many parts of southern Missouri 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 kudzu and native plants

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