Invasive Species of Texas

Invasive Species of Texas

Open Ended

Predict how an invasive species might impact an ecosystem.

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

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

Multiple Choice

Which of these words does NOT describe an invasive species?

• alien

• intruder

• non-native

• natural

Multiple Choice

Invasive species have a negative impact on...

• the ecosystem
• the economy
• Both the ecosystem and the economy
• None of these

Multiple Select

TRUE or FALSE? Invasive species can be introduced to an ecosystem accidentally.

• True

• False

Multiple Select

Invasive species cause harm to the --- [choose 3]

• economy.

• atmosphere only.

• environment.

• health of organisms.

• water only.

Multiple Choice

How are students in Texas researching the zebra mussels?

• They take samples from three different marinas and count the the number of mussels

• They read books about zebra mussels

Multiple Choice

Why are zebra mussels harmful?

• they clog pipes

• they hurt your feet

Multiple Choice

Click on the map to help answer this question: What can we predict about the population of Feral Swine for the year 2016?

• There will be less feral swine in 2016 than there were in 1982.

• There will be more feral swine in 2016 than there were in 2010

• There were fewer feral swine in 2004 than 1982.

• There will be no change in feral swine population.

Multiple Choice

In Arizona, the California Condor is a(n)...

• native species
• invasive species
• endemic species
• un-handsome species 

Multiple Choice

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
• Commesalism occurring between the kudzo and native plants

Multiple Choice

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

Multiple Choice

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

Multiple Choice

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

Multiple Choice

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

Multiple Choice

Exotic or invasive species leads to all of these problems except

• increased biodiversity
• loss of biodiversity
• disease
• loss of native species

Open Ended

List three invasive species in Texas.

Open Ended

Give an example of how an invasive species can affect an ecosystem/food chain.

Open Ended

Give an example of how an invasive species may be introduced.

Open Ended

What are three characteristics of an invasive species?