1. What does it mean when a plant is invasive?

a. It is the most common plant in an area, so it is the most useful to wildlife.
b. It is well-adapted to its environment.
c. It is barely able to survive.
d. It doesn’t have natural predators to control its population, so it can spread
         out of control.

2. What are some of the problems that invasive plants cause?

a. They crowd out native plants.
b. They upset the delicate balance of an ecosystem.
c. They do not provide the same food and shelter that native plants do for wildlife.
d. All of the above.

3. How is an invasive plant different from a non-native plant?

a. They are the same thing.
b. Non-native plants are introduced from somewhere else, while invasive
         plants are not.
c. Invasive plants are non-native plants that grow and spread out of control
         and cause damage to the environment.
d. Invasive plants and non-native plants are introduced from somewhere
         else, but only non-native plants are damaging to the environment.

4. Invasive plants are spread by _________.

a. birds and bees
b. earth-moving equipment like tractors or backhoes
c. people on their boots, cars, or boats
d. all of the above

5. The _____________ is invasive in Pennsylvania, especially in forests.

a. rhododendron
b. eastern hemlock
c. garlic mustard
d. mountain laurel

6. The _____________ is invasive in Pennsylvania, especially along riverbanks.

a. flowering dogwood
b. Japanese knotweed
c. sycamore
d. cattails

7. The ____________ is not native to Pennsylvania.

a. white-tailed deer
b. brown bat
c. red salamander
d. sea turtle
e. barred owl

8. The _____________ is native to Pennsylvania.

a. Chrismas fern
b. Norway maple
c. palm tree
d. Christmas cactus

9. What can you do to help stop invasive species from spreading?

a. Garden with annual and native plants.
b. Clean your boots before and after leaving a hiking area.
c. Volunteer with a local conservation organization.
d. All of the above.

10. The ____________ is not native to Pennsylvania.

a. Queen Anne’s lace
b. red maple
c. blueberry
d. black raspberry