Free Printable MG20 Invasive Species

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MG20 Invasive Species

Total questions: 20

Worksheet time: 10mins

Name

Class

Date

Who issued the Presidential Executive Order which defines invasive species as "alien species whose introduction does or is likely to cause economic or environmental harm or harm to human life"?

President Theodore Roosevelt

President Franklin D Roosvelt

President William Clinton

President George W Bush

The terms: invasive species, alien species and exotics refer to:

vertebrates

invertebrates

plants

all of these plus viral, bacterial, or fungal life forms

Thousands of species are introduced into the USA each year. What percentage become invasive species?

0.1

0.15

0.2

0.25

Tree-of-heaven and Canada thistle are difficult to eradicate because of their:

widespread root system

long distant seed dispersal

ability to tip layer

allelopathic compounds

A change in the patterns of erosion and sedimentation caused by invasives is:

hydrology regime

fire regime

geomorphic process

monoculture

Tree-of-heaven, garlic mustard, japanese knotweed release allelopathic compounds which modify the surrounding soil. Allelopathic compounds:

are unique to invasive species

are all chemically identical

enhance the survivability and reproductive success of the plant

result in the ultimate demise of the plant producing the compound

The inoculation of a pathogen into the stems of the Tree-of-Heaven to kill targeted tree stands is part of which category of IVM control?

mechanical

cultural

chemical

biological

A grass that matures early in the season and then dries out completely has a competitive advantage in fire prone areas. One such grass is:

cheatgrass

japanese stilgrass

eurasian watermilfoil

phragmites

Which invasive poses a threat to bloodroot, wild ginger, and hepatica because of its allelopathic effect?

knotweed

garlic mustard

honeysuckle

japanese barberry

10.

Which invasive maple tree oozes a milky sap from the petiole of its leaves?

sugar maple

sycamore maple

norway maple

red maple

11.

Which invasive tree is easily mistaken for a sumac, ash, or black walnut?

tree-of-heaven

autumn olive

common buckhorn

princess tree

12.

What vine, a favorite for fall decorations due to its orange and red berries, is an invasive that was introduced to the US in the 1800s?

wineberry

porcelainberry

oriental bittersweet

wisteria

13.

There are thirteen species on Pennsylvania's regulatory list of noxious weeds. This listing specifically prohibits which activities?

transport and sale

use as a foodstuff or medicinal

propagation

both, transport and sale AND propagation

14.

Which of the following appear on Pennsylvania's noxious weed list?

multifloral rose and purple loosestrife

oriental bittersweet and princess tree

common privet and japanese knotweed

garlic mustard and chocolate vine

15.

What noxious weed, intended for use as a forage crop, was found to produce a poisonous alkaloid making it deadly to certain livestock?

goatsrue

jimsonweed

hogweed

johnson grass

16.

What noxious weed was promoted by the US Soil Conservation Service to control erosion and to act as a living fence for livestock?

shattercane

johnson grass

multiflora rose

spear thistle

17.

While walking through the woods, you notice cottony white masses on a conifer. These masses are caused by the:

hemlock wooly adelgid

gypsy moth

asian long haired beetle

elongated hemlock scale

18.

The brown marmorated stink bug:

was flirst sighted in the US in 1996

is an agricultural pest

lays light green egg clusters under leaves

all of these

19.

What Asian import is destructive in both its larval and adult stages, feeds on more than 300 different host plants, and drives more than $460 million in management costs?

gypsy moth

boxwood

japanese beetle

all of these

20.

Boxwood blight is:

immediately lethal to established plants

suppressed but not eliminated by fungicides

an invasive fungus from Asia

all of these

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MG20 Invasive Species

Total questions: 20

Worksheet time: 10mins

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